2 years ago

A machine made 3 1/2 pencils in 1/6 of a minute. It made pencils at a rate of how many per minute?

1 answer:

nataly862011 [7]2 years ago

8 0

1/6 = 3 1/2
2/6 = 7
3/6 = 10 1/2
4/6 = 14
5/6 = 17 1/2
6/6 = 21

The rate of change is 21

Hope this helps,
QueenBeauty666

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Niu has decorated x cards. He started with 24 stickers, and he used 4 stickers per card. Which expressions can we use to describ

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Answer:

$24-4x$

Step-by-step explanation:

We have been given that Niu has decorated x cards. He started with 24 stickers and he used 4 stickers per card. So stickers used in x cards will be 4x.

As initial number of stickers was 24, so we can find number of stickers left after decorating x cards by subtracting number of stickers used in x cards from 24.

$\text{Number of stickers that Niu has left}=24-4x$