Sky high seats manufactures seats for airplanes

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Idontknow708

24.06.2022

Mathematics

Let d = number of dimes

Let n = number of nickels

Let p = number of pennies

As given, there are two more nickels than dimes and three times as many pennies as dimes:

d+2=n

3d=p

0.10d+0.05n+0.01p=0.64

Plug in the value to find d

0.10d+0.05(d+2)+0.01(3d)=0.64

0.10d+0.05d+0.1+0.03d=0.64

0.18d=0.54

d=3

As p=3d

p= $3\times3=9$

As n=d+2

n=3+2=5

Hence, there are 5 nickels, 3 dimes and 9 pennies.

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