Question

if x and y vary directly, x=7 then y=21 then find the value of x if y=63​

Answer 1

Step-by-step explanation:

x=7

y=21

and if y=63 then X=

product of first value of X and y = product of second value of x and y

7×21=x×63

147=x×63

147/63=X

7/3=X

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