Question

A new health drink has 180% of the recommended daily allowance (RDA) for a certain vitamin. The RDA for this vitamin is 30 mg. How many milligrams of the vitamin are in the drink?

Answer 1

The drink has 180% of RDA of recommended daily allowance​

If RDA for this vitamin is 30 mg.

So, let the drink contain x

So,

x = 180% of 30 mg

$x=\frac{180}{100}\cdot30=\frac{180\cdot30}{100}=18\cdot3=54$

So, the drink contain 54 milligrams of the vitamin