thealaskandream thealaskandream

12-01-2020
Mathematics

contestada

TUDIvIl P..
lesson 34)
The piggybank had $25.65 in dimes and
quarters. If there were 20 more quarters
than dimes, how many dimes were in the
piggybank?

Respuesta :

texaschic101 texaschic101

12-01-2020

Answer:

Step-by-step explanation:

0.10d + 0.25q = 25.65

q = d + 20

0.10d + 0.25(d + 20) = 25.65

0.10d + 0.25d + 5 = 25.65

0.35d = 25.65 - 5

0.35d = 20.65

d = 20.65 / 0.35

d = 59 <=== there were 59 dimes

q = d + 20

q = 59 + 20

q = 79......there were 79 quarters

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