Yen baked some shortbreads. She sold
310 of them in the afternoon and
114 of the remainder in the evening. If she had 91 shortbreads left, how many shortbreads did she bake?
| Afternoon |
Remainder |
Total |
| 3x2 |
7x2 |
10x2 |
| |
Evening |
Left |
|
| |
1 |
13 |
|
| 6 u |
1 u |
13 u |
20 u |
Fraction of the shortbreads left after selling in the afternoon
= 1 -
310 =
710 Fraction of the remaining shortbreads left after selling in the evening
= 1 -
114 =
1314 Fraction of the shortbreads left after selling in the evening
=
1314 x
710 =
132013 u = 91
1 u = 91 ÷ 13 = 7
Total number of shortbreads that Yen baked
= 20 u
= 20 x 7
= 140
Answer(s): 140
