<span>Answer 61 73-66= 7 21-13 = 8 ?? -52= 9 20-10 = 10 ??=61</span>
Answer:
n=
Step-by-step explanation:
There are 3 nickels because if you use the ratio 6 to 1 you multiply 6 by 3 to get 18 pennies and you do the same with the one and that’s how I got 3 nickels.
awnser: 42
step by step:
1. find the racio of both
2.multiply the awnsers by 7
3.finally subtract