Hints:
1) Set up two equations
Hints:
1) Find rate of one man
Hints:
1) Let x = total number of bags
Hints:
1) Let x = seats in Theatre 3. Then number of seats in Theatre 2 = x + 150 seats.
Hints:
1) Let 1970 cost = ($0.75)*1.15
Hints:
1) Open top box
Hints:
1) Purse cost $15.00
Hints:
1) Stephanie spends all of money from her mother and grandmother
Hints:
1) Volume/Rate = Time
Hints:
1) Find length of x first
2) Find area of A and area of B
Hints:
1) W = diameter = 2r
Hints:
1) Find total number of stalls filled
Hints:
1) Sides of square are equal
Hints:
1) Find total number of kilmoeters travelled per month
Hints:
1) 1/6 less than 700 = 5/6(700)
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?
Hints:
1) Total volume = 8 * 225 + 27 * 515
Hints:
1) Find distance travelled after first kilometer
Hints:
1) Use table to calculate total amount of gas used by each person
Hints:
1) Total area of square = (1/4 + 3/4) * (2/3 + 1/3) = 1 * 1 = 1
Hints:
1) Let x = the number of hours that have already passed
Hints:
1) An increase in the height h by 30% is (1+0.3)h=1.3h.
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
Hints:
1) You will only find 99.98 percent
Hints:
1) Find the cost of a .75 m tire
2) Use to find cost of big rig tire
Hints:
1) Find the proportion of money paid by each person
Hints:
1) Let x = the number of cookies eaten the first day
Hints:
1) Triangle AMN: base = height = 1/2 s
Hints:
1) Connecting 2 chains requires one cut and one weld.
Hints:
1) Use the sum of the column of numbers given to find the target total for each column or diagonal
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
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.
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.
Hints:
1) You know the base and height of the shaded areas.
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
Hints:
1) Draw a sketch
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
Hints:
1) There is more than one solution
Hints:
1) Use equation of a line: y = m x + b
2) Look at the slope of the two diagonals
Hints:
1) Look at how much water drips every second
2) Calculate number of seconds in one year
Hints:
1) Length of sides of square equal 2 * radius of circle (circles are equal)
2) The square contains 4 quarters of equal circles
Hints:
1) Calculate price each person paid for the car, working from Rachel to Raelene, to Rick
Hints:
1) Distance = Rate * Time
2) Rate = Distance/Time
Hints:
1) Use Pythagorean theorem: a2 + b2 = c2
Hints:
1) Area of a trapezoid = 1/2 * h * sum of the top and bottom sides
Hints:
1) The sum of the four angles of a quadrilateral is 360 degrees
Hints:
1) Use pythagorean theorem to find the length of one side of the square
Hints:
1) Look at the ratio of the number of teeth in wheel B to wheel A
Hints:
1) Use the sketch
2) Use similar triangles