3 years ago

A stalk of corn grew 42 inches in a week. Find the unit rate in inches per day

2 answers:

8 0

1 week = 7 days
42 inches per week

We want to find out how many inches grow per day.

42 / 7 = 6

So, everyday the corn grows 6 inches.

kozerog [31]3 years ago

7 0

To find the unit rate, we need to set the number of days to 1. Therefore, we will divide by 7. We also have to divide 42 by 7 to make sure the equation stays proportional. Using this knowledge, we can see that if the corn grew 42 inches in 7 days, it grows 6 inches per day.

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Roberta needs 12 zippers to make 3 of the same backpacks. If Roberta has 48 zippers, how many of those same backpacks can she ma

yaroslaw [1]

First, you need to find out how many zippers are used to make one bookbag. To do that, you divide the zippers used to make the 3 backpacks.

12 / 3 = 4

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Step-by-step explanation: