Question

In a fish tank, ⅐ of the fish have a red stripe on them. if 18 of the fish have red stripes, how many totad fish are in the tank?

Answer 1

total number of fish = 126

Explanation:

let n be the total number of fish in the tank , then

`(1)/(7)` n = 18 ( multiply both sides by 7 to clear the fraction )

7 ×
`(1)/(7)` n = 7 × 18

n = 126

total number of fish in the tank is 126