2 years ago

An automatic doughnut machine can produce 1500 doughnuts in 9 hours.

Mathematics

1 answer:

Svetllana [295]2 years ago

7 0

Answer:

1 hr, 48 minutes

Step-by-step explanation:

you can create a proportion:

doughnuts/hours = doughnut/hours (h)

1500/9 = 300/h

cross-multiply to get:

1500h = 2700

h = 27/15

h = 1 12/15, which is 1 hr, 48 minutes because 12/15 = 48/60

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