Justin drank
45 of the milk in his milk bottle. He accidentally spilled
12 of the remaining milk. As a result, he had 180 mℓ of milk left in his milk bottle. How much milk did Justin have at first? Give your answer in mℓ.
| Drank |
Remaining milk |
Total |
| 4x2 |
1x2 |
5x2 |
| |
Spilled |
Left |
|
| |
1x1 |
1x1 |
|
| 8 u |
1 u |
1 u |
10 u |
Fraction of remaining milk left after Justin spilled some
= 1 -
45=
15The volume of the remaining milk is the combined repeated identity. Make the volume of remaining milk the same. LCM of 1 and 2 is 2.
Volume of water left = 1 u
1 u = 180
Total volume of water that Justin had at first
= 10 u
= 10 x 180
= 1800 mℓ
Answer(s): 1800 mℓ
