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Sati [7]
2 years ago
6

Carley can mow the lawn in 5 hours. When Carley and her dad work together, they can do it in 2

Mathematics
1 answer:
Mkey [24]2 years ago
6 0

The time it will take Carley's dad to mow the lawn is 3.3 hours.

<h3>What is rate?</h3>

Rate is the ratio between two related quantities in different units. Therefore,

The rate Carley do the  lawn = 1 / 5

When they work together they do it the 1 / 2 rate.

Therefore,

let

the hours it takes Carley dad = x hours . Therefore,

1 / 5 + 1 / x  = 1 / 2

x + 5/ 5x = 1 / 2

cross multiply

2(x + 5) = 5x

2x + 10 = 5x

10 = 5x - 2x

10 = 3x

x = 10 / 3

x = 3.3 hours

learn more on rate here: brainly.com/question/4598703

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