Answer:
Where is the info so we can show you
Step-by-step explanation:
Nickels is 0,05 of dolar - n
dimes is 0,1 o dolar -d
quarters is 0,25 of dolar -q
dimes =2nickels
d=2n
quarters=2dimes
q=2d=4n
12,5=n(0,05)+2n(0,1)+4n(0,25)
12,5=0,05n+0,2n+n
12,5=1,25n
n=10
q=4n=40
There are 40 quarters
Answer:
10
Step-by-step explanation:
30x2=60
60/6=10=
b=10
The answer is 7. Because $21.50-4=17.50 and then 17.50÷2.50=7