Mara has 2 quarters, 1 dime, and 2 pennies. She wants to buy a purse that is 75 cents. How much more money does she need? Why?
0.50 + 0.10 + 0.02
Add them together.
Subtract the sum from 0.75
2 Quarters equal 50 cents. 1 dime equals 10 cents 2 pennies equal 2... Add then all together
0.50
0.10
0.02
____
0. 62 Subtract 0.75 from 0.62 You get 13