x + 7(x + 1)
7x + 7
x + 7x + 7
8x + 7
x + 7(x + 1) = 8x + 7
Answer:
140 liters will remain after 10 mins
Step-by-step explanation:
The easy way is just multiply the amount lost per min by the number of mins.
24.15 is 7/20 or 35% of 64