Question

Jerry eats one-fourth of a pecan pie. Sally eats

one-fifth of the same pie. Rose comes home from
school and eats two-tenths of the same pie. How
much of the pie has been eaten?

Answer 1

13/20 or .65

Explanation:

1/4 + 1/5 + 2/10 = Total amount eaten

Find a common denominator is 20

1/4 = 5/20

1/5 = 4/20

2/10 = 4/20

13/20