Respuesta :
Answer:
1.2 hours or 1 hour 12 minutes
Step-by-step explanation:
We can use ratios to solve
1 hour x hours
------------ = ------------
15 trees 18 trees
Using cross products
1*18 = 15x
Divide by 15
18/15 = x
1.2 hours
1.2 * 60 minutes = 72 minutes
1 hour 12 minutes
Answer:
it took him 1 hour and 12 minutes
Step-by-step explanation:
well you divide 60 (cuz an hour is 60 minutes) by 15 and u get 4
then u multiply 4 by 3 and u get 12
then u add 1 hour and 12 minutes
hope this helped :)