It's takes Mario 1/4 hour to mow mr Harris's lawn. It takes him 3 times as long to mow mrs Carter's . How long does it take Mario to mow mrs Carter's lawn

670

Step-by-step explanation:

First you have to fined the unit rate

1,500/25= 60

a do

300x60= 18,00-98

5

step-by-step explanation:

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: