26) Needs 120 ; saved 60%; 100% -60% = 40% needed.
120 * 40% = 48 additional amount needed.
27) Sales tax = 1.50 ; Sales tax rate =5%
1.50 / 5% = 30 cost of the helmet
28) There are 24 hours in a day.
School: 25% x 24 hrs = 6 hours
Eating: 10% x 24 hrs = 2.4 hrs
Sleep: 40% x 24 hrs = 9.6 hrs
Homework: 10% x 24 hrs = 2.4 hrs
Free time: 15% x 24 hrs = 3.6 hrs