I believe 3 hours, not sure. Wait and see if someone else answers!
Answer:15
Step-by-step explanation: this is an equilateral triangle and 45-15-15=15 so no matter what it would be 15
Answer:
712 liters
Step-by-step explanation:
natural:synthetic = 5:8
For every 13 liters of Petrolyn, 8 are synthetic oil. So:
1157/13=89
89 x 8=712 liters of synthetic oil needed ..............
