Respuesta :

To find 50% of 90, you would divide 90 in half.
90/2 = 45.
There are 45 gallons of sulfuric acid in the tank of solution.

Answer: Number of gallons of sulfuric acid is 45 gallons.

Step-by-step explanation:

Since we have given that

Total number of gallons of solution in a tank = 90 gallons

Percentage of sulfuric acid = 50%

We need to find the number of gallons of sulfuric acid;

Number of gallons of sulfuric acid is give by

[tex]\frac{50}{100}\times 90\\\\=0.5\times 90\\\\=45\ gallons[/tex]

Hence, number of gallons of sulfuric acid is 45 gallons.