drewsterneighbors drewsterneighbors

26-08-2020
Mathematics

contestada

Machine A takes a hours to make 100 bolts, and machine B takes b hours to make 100 bolts. How many
bolts will the two machines, working together, make in one hour?

Respuesta :

mhanifa mhanifa

26-08-2020

Answer:

100(1/a + 1/b)

Step-by-step explanation:

Machine A takes a hours to make 100 bolts

Then machine A makes 100/a bolts in one hour

Machine B takes b hours to make 100 bolts

Then machine B makes 100/b bolts in one hour

Two machines will make:

100/a + 100/b = 100(1/a + 1/b)

bolts in one hour

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