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proportional to 2 x and
1y 4   when x = 10.  connecting x and y. Find the value of y when x = 5. Find the value of x when y = 16.
____________________________.
C 2x 20, A x 40, B 2x 20          . Find
____________________________.
          2 1 A 1.5 1 0.75 5 3
____________________________. Find the value of x in the following figure:

____________________________.
The ratio of boys to girls in the seventh grade is 2 : 3. If there are 75 students, how there than boys?
____________________________.
Mathematics – Grade 7 Revision – W21

. Find the value of x.
The ratio of boys to girls in the seventh grade is 2 : 3. If there are 75 students, how

6. Given a triangle ABC with     o o BAC 86 , ABC 56 . If DE // BC, then what is the measure of angle AED?

Answer: ____________________________. 7. Decide whether the root of each number is rational or irrational: a) 0.04 b) 3 225 c) 1000 Answer: ____________________________. 8. The price of a skirt is reduced from \$46 to \$38. A T-shirt which goes with the skirt was originally priced at \$23. If the price of the T-shirt is reduced in the same ratio  as of the skirt, find the new price of the T-shirt.

Answer: ____________________________. 9. Fill in the blank: If line a is parallel to line b, line m is parallel to line a then line m is _________to line b.

Answer: ____________________________. 10.  It takes 14 hours for a tap with a flow of 18 liters per minute to fill a reservoir with water. How long will it take if its flow is reduced to 7 liters per minutes?

Answer: ____________________________. 11. Given x 11 A (x 0,x 25) x 5      . Find the value of A when x = 36.

12.  Find the value of x.
13.  Find the value of function a) x = 0 b) x = -1 Answer: ____________________________
14.  Given the figure below. What is the ordered pair for the pentagon?
15. What is the quadrant corresponding with the position of the camel?

____________________________.
function f(x) 3x 8   when
____________________________.
Given the figure below. What is the ordered pair for the pentagon?

____________________________.
What is the quadrant corresponding with the position of the camel?

____________________________.

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