Lynn made some biscuits. She sold
23 of them in the morning and
57 of the remainder in the evening. If she sold 63 more biscuits in the morning than in the evening, how many biscuits did she make altogether?
| Morning |
Remainder |
Total |
| 2x7 |
1x7 |
3x7 |
| |
Evening |
Left |
|
| |
5 |
2 |
|
| 14 u |
5 u |
2 u |
21 u |
Fraction of biscuits left after selling some in the morning
= 1 -
23 =
13 Fraction of biscuits sold in the evening
=
57 x
13=
521Make the denominators the same.
23 =
1421 Number of biscuits that Lynn sold in the morning = 14 u
Number of biscuits that Lynn sold in the evening = 5 u
Number of more biscuits that Lynn sold in the morning than in the evening
= 14 u - 5 u
= 9 u
9 u = 63
1 u = 63 ÷ 9 = 7
Total number of biscuits that Lynn made
= 21 u
= 21 x 7
= 147
Answer(s): 147
