Sarah made some cookies. She sold
23 of them in the morning and
25 of the remainder in the evening. If she sold 48 more cookies in the morning than in the evening, how many cookies did she make altogether?
| Morning |
Remainder |
Total |
| 2x5 |
1x5 |
3x5 |
| |
Evening |
Left |
|
| |
2 |
3 |
|
| 10 u |
2 u |
3 u |
15 u |
Fraction of cookies left after selling some in the morning
= 1 -
23 =
13 Fraction of cookies sold in the evening
=
25 x
13=
215Make the denominators the same.
23 =
1015 Number of cookies that Sarah sold in the morning = 10 u
Number of cookies that Sarah sold in the evening = 2 u
Number of more cookies that Sarah sold in the morning than in the evening
= 10 u - 2 u
= 8 u
8 u = 48
1 u = 48 ÷ 8 = 6
Total number of cookies that Sarah made
= 15 u
= 15 x 6
= 90
Answer(s): 90
