Question

There are 40 coins in a roll of nickels .there are 50 coins in a roll of dimes and 20 coins in a roll of half -dollars.alondra has 3 rolls of coins. she has a total of 90 coins. make an organized list to show all the combinations of coin rolls. what coins does alondra have?

Answer 1

she has 2 half dollors and 1 dimes

Explanation:

2 half dollors means 2x20=40 coins

1 dimes means 1x50=50 coins

when you total it you get 50+40=90

so it is 3 rolls and it totally has 90