Question

Consider the following proportion:2 12— -—7 xUse cross products to write the equation: 2x = 84.What is the value of x?

Answer 1

Given

The proportion is given

`(2)/(7)=(12)/(x)`

After cross product, the proportion becomes

`2x=84`Explanation

To determine x,

`\begin{gathered} 2x=84 \\ x=42 \end{gathered}`Answer

Hence the value of x is 42.