If Daniel runs 1/3 of a mile in 1/3 of a minute, how
many miles did he run in one minute?

Step-by-step explanation:

To find the unit rate divide both numbers by 1/3 to get:

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so: