There’s 100 cents in a dollar. 342 pennies, at one cent each, adds up to $3.42. A nickel is 5 cents each. .05 x 62 =3.1. This is $3.10. A dime is 10 cents each. .10 x 12 = 1.2. This is $1.20. Add all of them up. 3.42+3.10+1.20=$7.72. She will have 7 dollars and 72 cents left. I hope this helps!
