Reggie drank
12 of the water in his water bottle. He accidentally spilled
25 of the remaining water. As a result, he had 510 mℓ of water left in his water bottle. How much water did Reggie have at first? Give your answer in mℓ.
| Drank |
Remaining water |
Total |
| 1x5 |
1x5 |
2x5 |
| |
Spilled |
Left |
|
| |
2x1 |
3x1 |
|
| 5 u |
2 u |
3 u |
10 u |
Fraction of remaining water left after Reggie 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 = 3 u
3 u = 510
1 u = 510 ÷ 3 = 170
Total volume of water that Reggie had at first
= 10 u
= 10 x 170
= 1700 mℓ
Answer(s): 1700 mℓ
