Billy drank
34 of the milk in his milk bottle. He accidentally spilled
23 of the remaining milk. As a result, he had 80 mℓ of milk left in his milk bottle. How much milk did Billy have at first? Give your answer in mℓ.
| Drank |
Remaining milk |
Total |
| 3x3 |
1x3 |
4x3 |
| |
Spilled |
Left |
|
| |
2x1 |
1x1 |
|
| 9 u |
2 u |
1 u |
12 u |
Fraction of remaining milk left after Billy spilled some
= 1 -
34=
14The volume of the remaining milk is the combined repeated identity. Make the volume of remaining milk the same. LCM of 1 and 3 is 3.
Volume of water left = 1 u
1 u = 80
Total volume of water that Billy had at first
= 12 u
= 12 x 80
= 960 mℓ
Answer(s): 960 mℓ
