krishill5711 krishill5711

24-04-2021
Mathematics

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sam filled a jar with 150 coins worth $11.75. how many dimes and nickles are there?

Respuesta :

25-04-2021

Answer:

65 nickels

85 dimes

Step-by-step explanation:

d+n = 150

.10d + .05n = 11.75

substitute

.10(150-n) + .05n == 11.75

15 - .05n = 11.75

-.05n = - 3.25

n = 65

d + 65 = 150

d = 85

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