Working alone, it would take shandra 45 minutes to mow the lawn. to mow the same lawn, also working alone, it would take kelly 1 hour and 15 minutes. if they work together, the girls believe it will take them 1 hour to mow the lawn.
which best describes the reasonableness of their solution?

While working together, they will complete the work in 28.125 minutes

Step-by-step explanation:

Working alone, it would take Shandra 45 minutes to mow the lawn.

Working alone, it would take Kelly 1 hour and 15 minutes. to mow the lawn. In minutes this becomes minutes.

So, when they are working together, they will complete 1 job.

Lets the time taken by both working together be t

Equation forms:

=>

=>

=>

t = 28.125 minutes

Hence, while working together, they will complete the work in 28.125 minutes which is very less than their estimation.

the car was traveling 40 mph before it started skidding. ( 2 points ) 17. was the driver were her brakes working at 75% efficiency or better? ( 2 points ) yes 29.

step-by-step explanation:

x = -5

step-by-step explanation: