Diane ran 28.6 miles in a marathon She averaged 6 minutes per mile. How many total minutes did Diane run?

171.6 minutes

Step-by-step explanation:

28.6*6

70

step-by-step explanation:

2*5=10

4*15=60

60+10=

70

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: