Question

Rita makes sidewalk chalk two days a week each of those days she spent one one fourth hour making the chalk how much times does rita spend making sidewalk chalk in 3 weeks

Answer 1

1 hr 30 min
One 1/4 hour= 15 min
Twice a week= 30 min
1 week= 30 min
x3. Week x3
3 week= 90 min
90 min= 1 hr. 30 min