Dante has 27 coins that are all dimes and quarters. The value of the coins is $4.35. How many dimes and how many quarters does D

Question

2 years ago

7

ante have?

2 answers:

vivado [14] · Answer 1 · 2022-02-19T10:40:09+03:00

8 0

He has 11 quarters and 16 dimes
25*11 is 275 + 170 is 435.

Free_Kalibri [48] · Answer 2 · 2022-02-19T12:22:19+03:00

4 0

Answer:

Step-by-step explanation:

d + q = 27......d = 27 - q

0.10d + 0.25q = 4.35

0.10(27 - q) + 0.25q = 4.35

2.7 - 0.10q + 0.25q = 4.35

0.15q = 4.35 - 2.7

0.15q = 1.65

q = 1.65 / 0.15

q = 11 <=== 11 quarters

d + q = 27

d + 11 = 27

d = 27 - 11

d = 16 <===== 16 dimes