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Ostrovityanka [42]

2 years ago

15

Bethany can mow her family’s lawn in 4 hours. Her brother Colin can mow the lawn in 3 hours. Which equation can be used to find

the number of hours, x, it would take for Bethany and Colin to mow the lawn together?

1 answer:

Alina [70]2 years ago

7 0

Answer:

Step-by-step explanation:

t/4+t/3=1

(3t+4t)/12=1

7t/12=1

7t=12

t=12/7

x=(12/7)hours

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