jsweeting
jsweeting
22-11-2016
Mathematics
contestada
how do you do this problem?
Respuesta :
texaschic101
texaschic101
22-11-2016
d + q = 35....d = 35 - q
0.10d + 0.25q = 7.25
0.10(35 - q) + 0.25q = 7.25
3.50 - 0.10q + 0.25q = 7.25
-0.10q + 0.25q = 7.25 - 3.50
0.15q = 3.75
q = 3.75/0.15
q = 25
d + q = 35
d + 25 = 35
d = 35 - 25
d = 10
so there are 25 quarters and 10 dimes
Answer Link
ericabeamon
ericabeamon
22-11-2016
25 quarters and ten dimes Your welcome
Answer Link
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