Question

At college, Tyrell has science for 5 1/2 hours a week. If his lab work takes up 2/5 of his science class time, how many hours does Tyrell spend in the lab?

Answer 1

To find how many hours Tyrell spends in the lab each week, multiply his weekly science class time of 5 1/2 hours by 2/5, resulting in 2.2 hours spent in the lab.

Step-by-step explanation:

The question asks us to calculate how many hours Tyrell spends in the lab if he has science class for 5 1/2 hours a week and 2/5 of that time is devoted to lab work.

To find the answer, we need to multiply the total science class time by the fraction of the time that is spent in the lab:

First, convert 5 1/2 hours to an improper fraction: 5 1/2 = 11/2 hours.

Next, calculate the amount of time spent in the lab by multiplying 11/2 hours by 2/5:

(11/2) × (2/5) = (11 × 2) / (2 × 5) = 22/10 = 2.2 hours.

Therefore, Tyrell spends 2.2 hours in the lab each week.

Answer 2

Tyrell spends 2 2/5 hours in the lab.

Step-by-step explanation:

To find out how many hours Tyrell spends in the lab, we first need to determine how many hours he spends on science class in total. If he has science for 5 1/2 hours a week, and the lab work takes up 2/5 of that time, we can calculate the lab hours as follows:

Total science class time: 5 1/2 hours

Lab work time: (2/5) * 5 1/2 = 2 2/5 hours

Therefore, Tyrell spends 2 2/5 hours in the lab.