2.5% of what number is 2?

May 17, 2018

The answer is $80.$

Explanation:

So, to start out, you want to set these as fractions equal to each other. And because of the given, you know that:

$\frac{2.5}{100} = \frac{2}{x}$

When you cross multiply you get $2.5 x = 200$.

Divide by $2.5$ on both sides, and you get that the answer is $80$.

May 17, 2018

2.5% of $80$ is $2$

Explanation:

Write an equation to show what is stated,

2.5% of $x$ is equal to $2$

$\frac{2.5}{100} \times x = 2 \text{ } \leftarrow$ now solve the equation.

$x = \frac{2 \times 100}{2.5}$

$x = 80$

May 17, 2018

$80$

Explanation:

$\frac{80}{100} \cdot 2.5$

$= 80$