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Each U.S. penny weighs 2.5 grams. How many pennies (x) are on a scale if their total weight is 37.5 grams

2.5 + x = 37.5
x = 35

2.5 x = 37.5
x = 35

x - 2.5 = 37.5
x = 40

2.5 x = 37.5
x = 18

Please help!

User Ralphleon
by
8.4k points

2 Answers

5 votes

Answer: x = 15

Explanation:

2.5 * 15 = 37.5 :))

User Daylily
by
7.6k points
5 votes
All you need to do is divide 37.5 by 2.5. So 37.5/2.5 = 15. Then check your answer and do 2.5 * 15 = 37.5. So the answer is 15 pennies.
User Nahouto
by
8.2k points

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