PSSA+week,+HINTS

=Grade Seven Hints=

**Question #1**
 * Hints:**
 * 1) Set up two equations**

**Question #2**
 * Hints:**
 * 1) Find rate of one man**

**Question #3**
 * Hints:**
 * 1) Let x = total number of bags**

**Question #4**
 * Hints:**
 * 1) Let x = seats in Theatre 3. Then number of seats in Theatre 2 = x + 150 seats.**

**Question #5**
 * Hints:**
 * 1) Let 1970 cost = ($0.75)*1.15**

**Question #6**
 * Hints:**
 * 1) Open top box**

**Question #7**
 * Hints:**
 * 1) Purse cost $15.00**

**Question #8**
 * Hints:**
 * 1) Stephanie spends all of money from her mother and grandmother**

**Question #9**
 * Hints:**
 * 1) Volume/Rate = Time**

**Question #10**
 * Hints:**
 * 1) Find length of x first**
 * 2) Find area of A and area of B**

**Question #11**
 * Hints:**
 * 1) W = diameter = 2r**

**Question #12**
 * Hints:**
 * 1) Find total number of stalls filled**

**Question #13**
 * Hints:**
 * 1) Sides of square are equal**

**Question #14**
 * Hints:**
 * 1) Find total number of kilmoeters travelled per month**

**Question #15**
 * Hints:**
 * 1) 1/6 less than 700 = 5/6(700)**

**Question #16**
 * Hints:**
 * 1) Draw triangle A and fit triangle Bs into it 2) How many times will the area of B divide the area of A?**

**Question #17**
 * Hints:**
 * 1) Total volume = 8 * 225 + 27 * 515**

**Question #18**
 * Hints:**
 * 1) Find distance travelled after first kilometer**

**Question #19**
 * Hints:**
 * 1) Use table to calculate total amount of gas used by each person**

**Question #20**
 * Hints:**
 * 1) Total area of square = (1/4 + 3/4) * (2/3 + 1/3) = 1 * 1 = 1**

**Question #21**
 * Hints:**
 * 1) Let x = the number of hours that have already passed**

**Question #22**
 * Hints:**
 * 1) An increase in the height h by 30% is (1+0.3)h=1.3h.**

**Question #23**
 * Hints:**
 * 1) Look for a pattern: Begin at the bottom of the column - subtract the first number from the next number and compare to the difference of the corresponding two numbers in the other column**

**Question #24**
 * Hints:**
 * 1) You will only find 99.98 percent**

**Question #25**
 * Hints:**
 * 1) Find the cost of a .75 m tire**
 * 2) Use to find cost of big rig tire**

**Question #26**
 * Hints:**
 * 1) Find the proportion of money paid by each person**

**Question #27**
 * Hints:**
 * 1) Let x = the number of cookies eaten the first day**

**Question #28**
 * Hints:**
 * 1) Triangle AMN: base = height = 1/2 s**

**Question #29**
 * Hints:**
 * 1) Connecting 2 chains requires one cut and one weld.**

**Question #30**
 * Hints:**
 * 1) Use the sum of the column of numbers given to find the target total for each column or diagonal**

**Question #31**
 * Hints:**
 * 1) Convert meters to centimeters**
 * 2) Find the artist's scale, as indicated by the actual size of the rose bush compared to the size of the artist's drawing**

**Question #32**
 * Hints:**
 * 1) The three lines divide the two sides in 4 pieces each. Look at how many sections there would be if four lines were extended from each vertex.**

**Question #33**
 * Hints:**
 * 1) ST. F.X. scored 1653 points, which was 38 percent of the total points. Find total number of points for all 4 teams.**

**Question #34**
 * Hints:**
 * 1) You know the base and height of the shaded areas.**

**Question #35**
 * Hints:**
 * 1) Look at Stephanie's weekly salary to determine how many weeks she must work to make the same amount of money as Rachel makes in one year**

**Question #36**
 * Hints:**
 * 1) Draw a sketch**

**Question #37**
 * Hints:**
 * 1) Work backwards from day 16**
 * 2) If the amount covered doubles every day, then each previous day is covered only half as much as the next day**

**Question #38**
 * Hints:**
 * 1) There is more than one solution**

**Question #39**
 * Hints:**
 * 1) Use equation of a line: y = m x + b**
 * 2) Look at the slope of the two diagonals**

**Question #40**
 * Hints:**
 * 1) Look at how much water drips every second**
 * 2) Calculate number of seconds in one year**

**Question #41**
 * Hints:**
 * 1) Length of sides of square equal 2 * radius of circle (circles are equal)**
 * 2) The square contains 4 quarters of equal circles**

**Question #42**
 * Hints:**
 * 1) Calculate price each person paid for the car, working from Rachel to Raelene, to Rick**

**Question #43**
 * Hints:**
 * 1) Distance = Rate * Time**
 * 2) Rate = Distance/Time**

**Question #44**
 * Hints:**
 * 1) Use Pythagorean theorem: a2 + b2 = c2**

**Question #45**
 * Hints:**
 * 1) Area of a trapezoid = 1/2 * h * sum of the top and bottom sides**

**Question #46**
 * Hints:**
 * 1) The sum of the four angles of a quadrilateral is 360 degrees**

**Question #47**
 * Hints:**
 * 1) Use pythagorean theorem to find the length of one side of the square**

**Question #48**
 * Hints:**
 * 1) Look at the ratio of the number of teeth in wheel B to wheel A**

**Question #49**
 * Hints:**
 * 1) Use the sketch**
 * 2) Use similar triangles**