Betty baked some cupcakes. She sold
35 of them in the morning and
14 of the remainder in the evening. If she had 21 cupcakes left, how many cupcakes did she bake?
| Morning |
Remainder |
Total |
| 3x2 |
2x2 |
5x2 |
| |
Evening |
Left |
|
| |
1 |
3 |
|
| 6 u |
1 u |
3 u |
10 u |
Fraction of the cupcakes left after selling in the morning
= 1 -
35 =
25 Fraction of the remaining cupcakes left after selling in the evening
= 1 -
14 =
34 Fraction of the cupcakes left after selling in the evening
=
34 x
25 =
3103 u = 21
1 u = 21 ÷ 3 = 7
Total number of cupcakes that Betty baked
= 10 u
= 10 x 7
= 70
Answer(s): 70
