Question

Bella has 40 coins, all nickles and quarters, worth $7.60. How many nickles and quarters does she have?

Answer 1

Answer:

28 quarters and 12 nickles

Step-by-step explanation:

How many quarters goes into 7 dollars? 28, because there is 4 in each dollar.

How many nickles are in 60 cents? 12, because 5 times 12 is 60.

Answer 2

Answer:

28 quarters and 12 nickles

Step-by-step explanation:

1. x+y = 40

2. 0.25x+0.05y = 7.6

3. x=28, y=12