Andy drank
12 of the water in his water bottle. He accidentally spilled
15 of the remaining water. As a result, he had 240 mℓ of water left in his water bottle. How much water did Andy have at first? Give your answer in mℓ.
Drank |
Remaining water |
Total |
1x5 |
1x5 |
2x5 |
|
Spilled |
Left |
|
|
1x1 |
4x1 |
|
5 u |
1 u |
4 u |
10 u |
Fraction of remaining water left after Andy spilled some
= 1 -
12=
12The volume of the remaining water is the combined repeated identity. Make the volume of remaining water the same. LCM of 1 and 5 is 5.
Volume of water left = 4 u
4 u = 240
1 u = 240 ÷ 4 = 60
Total volume of water that Andy had at first
= 10 u
= 10 x 60
= 600 mℓ
Answer(s): 600 mℓ