Question

What is the value of x in the proportion below? 10/30=x/15

A. 5
B. -5
C.20
D.50

Answer 1

HELLO

So the answer for this is A=5

Here is the explanation for this question

10/30=x/15 (given)

if, x/15=10/30 then,

x=10/30*15

by solving this we the value of x= 5

Answer 2

A

Explanation:

`(10)/(30)` =
`(x)/(15)` ( cross- multiply )

30x = 10 × 15 = 150 ( divide both sides by 30 )

x =
`(150)/(30)` = 5