Question

if x and 3.5y vary directly and x=7 when y=10 ,find x when y = 15​

Answer 1

7/10X3.5=7/35

x/15=7/35

. . x=3

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Answer 2

Answer:

7/10×3.5=7/35

x/15= 7/35

x=3

Step-by-step explanation:

In question y value smaller no we have find and divide it

and after multiply by full smallest no

and at last divede all numbers by large no in question

and the answer will get

I Hope this answer and explanation will help U