Question

Shannon used equal numbers of quarters and nickels to buy a new notebook that cost $1.50. How many of each coin did she use?

Answer 1

U could use a chart and do

N-1

Q-1
 
T-30

if u kept going 4 later u reach 1.50

Answer 2

Shannon used 5 quarters and 5 nickels.
I basically used the guess-and-check method, and you can verify it by multiplying each coin value by 5.

0.25 x 5 = 1.25
0.05 x 5 = 0.25
1.25 + 0.25 = 1.50