Caden drank
23 of the milk in his milk bottle. He accidentally spilled
15 of the remaining milk. As a result, he had 80 mℓ of milk left in his milk bottle. How much milk did Caden have at first? Give your answer in mℓ.
Drank |
Remaining milk |
Total |
2x5 |
1x5 |
3x5 |
|
Spilled |
Left |
|
|
1x1 |
4x1 |
|
10 u |
1 u |
4 u |
15 u |
Fraction of remaining milk left after Caden spilled some
= 1 -
23=
13The volume of the remaining milk is the combined repeated identity. Make the volume of remaining milk the same. LCM of 1 and 5 is 5.
Volume of water left = 4 u
4 u = 80
1 u = 80 ÷ 4 = 20
Total volume of water that Caden had at first
= 15 u
= 15 x 20
= 300 mℓ
Answer(s): 300 mℓ