alexedwards307
29.10.2020 •
Mathematics
In order to improve her grade in math Martha began spending more time on her math homework. Over a three week. Martha was able to change her grade from a 75 to 82. What is the percent change in Martha's grade over the three week period?
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Ответ:
$8
Step-by-step explanation:
It says P = per ball (which will be a number, n, for balls times the fixed price) plus a set entrance fee. So we find that the price per ball is $0.80, so 10 balls cost $8.