nathanb126
18.09.2019 •
Mathematics
Demarco is trying to determine how many pennies he has without having to count
them. he first weighs 20 pennies and finds they have a total weight of 54 grams. he then weighs
all the pennies and finds they weigh a total of 918 grams.
(a) determine how much a single penny
weighs, i.e. the grams per penny
(b) use your answer from (a) to determine how many pennies demarco has.
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Ответ:
I'm not good at math either sorry I do not know answer
Step-by-step explanation:
I need answer to this one to