Answer:
300 liters
Step-by-step explanation:
If he uses 15, 2 liter bottles in a week,
then 15 * 2 = 30 liters in a week.
If he uses the same rate in 10 weeks then,
10 * 30 = 300 liters
10 the second power is 10². 10²=10*10=100. 100*18.72=1,872. Hoped I helped. :)
