Question

If y varies directly as x, and y is 48 when x is 6, give an expression can be used to find the value of y when x is 2?

Answer 1

As both x and y varies directly and also when y is 48 then x is 6 so the expression must be
y = 8x

so when x = 2 then according to relation ...

y = 8x
y = 8*2
y = 16


hope it helped