queenliz855
25.11.2020 •
Mathematics
(HELP! MARKING BRAINLIEST) At 2pm, a store had sold 15 packs of toilet paper. By 5pm, the store had sold 57 packs of toilet paper. What is the average rate of change?
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Ответ:
14 packs per hour
Step-by-step explanation:
The store sold 57 - 15 = 42 packs of toilet paper in 3 hours.
42 packs in 3 hours = 42/3 = 14 packs per hour
Ответ:
For this case we must factor the following expression:
So:
We group the first two and two last terms:
we factor the maximum common denominator of each group:
We factor the polynomial by factoring the highest common denominator: