000998460 000998460

26-04-2021
Mathematics

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Max has a collection of 99 dimes and pennies worth $4.41. How many pennies does he have?

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mathstudent55 mathstudent55

26-04-2021

Answer:

61 pennies

Step-by-step explanation:

d + p = 99

0.1d + 0.01p = 4.41

d = 99 - p

0.1(99 - p) + 0.01p = 4.41

9.9 - 0.1p + 0.01p = 4.41

-0.09p = -5.49

p = 61

Answer: 61 pennies

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