Answer:

<h2>33 is the right answer.</h2>
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:
The percent error was 115% .
Step-by-step explanation:
It's ez u can do it on a calculator.
Answer:
Commutative Property of Addition
Step-by-step explanation:
3+2 =5 + 6 = 11
6+2 = 8 + 3 = 11