10d+5n=220
divide both sides by 5
2d+n=44
d=13+n
sub 13+n for d in other equatin
2(13+n)+n=44
26+2n+n=44
26+3n=44
minus 26 both sides
3n=18
divide both sides by 3
n=6
sub back
d=13+n
d=13+6
d=19
19 dimes
6 nickles
If it’s in years, it will take 4 years to reach 600 dollars if you don’t add anymore into your bank account.
Answer:
201,600
each item cost $806.40
$1169.28
Step-by-step explanation:
Answer:
1/4
Step-by-step explanation:
-2/3 / -15
Find the reciprocal of -15 and multiply:
-2/3 * -1/15
Multiply the numerators and denominators together:
2/45
