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4 votes
4 votes
If x varies directly as y, and x = 28 when y = 4, find x when y = 8.

User Maneesh Srivastava
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2 Answers

26 votes
26 votes

Answer: x=56

x/y 28/4=x/8

reduce 28/4 to 7/1

7/1 = x/8

cross multiply

x=56

Explanation:

User Celso Marigo Jr
by
3.2k points
23 votes
23 votes

Answer:

to find the value of x

x=(8x28)÷4

User Artfulhacker
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