Question

Rosa has 3 3/4 pounds of dough. She uses 1/8 of a pound for one roll. How many rolls could be made from Rosa's dough?

Answer 1

30 rolls

Explanation:

Just divide 3 3/4 by 1/8

3 3/4 can be written as 15/4

15/4 ÷ 1/8

find the reciprocal of the divisor and proceed to multiplication

15/4 x 8/1

multiply the numerator by the numerator and denominator by the denominator

120/4

30