Question

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Question 1
If y varies directly with x and y = 4 when x = 12, then what is the value of y when x = 60?

Question 2
If y varies directly with x and y = 3 when x = 12, then what is the value of y when x = 40?

Question 3
Suppose p varies directly with d, and p = 7 when d = 3. What is the value of d when p = 28?

Question 4
What is the direct variation equation for the table of ordered pairs?

x y
80 56
90 63
100 70

Question 5
What is the direct variation equation for the table of ordered pairs?

x y
60 48
70 56
80 64

Answer 1

1) 20

2) 20

3) 12

4) 0.7

5)0.8

Explanation:

when it asks questions like question 1 and 2 and 3 just take what the number is multiplied by

Answer 2

1) 20
2) 10
3) 12
4) y = 0.7x
5) y = 0.8x