Richard can make 8 dough balls in 2 hours. If the amount of time is directly proportional to the number of dough balls, how many hours have passed if he made 18 doughballs?
1 Answer
May 1, 2018
4.5 hours have passed.
Explanation:
First, start with your given data:
Now, create a proportion to solve for x:
Cross-multiply.
Now, divide by 8 to isolate
Therefore,