Question

Stan drives 30 minutes a day commuting to and from work. He drove h hours this week. How many days did he work?​

Answer 1

Stan worked 2h days this week

Step-by-step explanation:

The given is:

• Stan drives 30 minutes a day commuting to and from work
• He drove h hours this week

We need to find how many days he worked

∵ Stan drives 30 minutes a day

∵ 1 hour = 60 minute

∴ 30 minutes = $\frac{30}{30}=\frac{1}{2}$ hour

∴ Stan drives $\frac{1}{2}$ hour a day

∵ He drove h hours this week

- To find the number of days that he worked divide the total

   hours he drove in this week by the hour he drives in a day

∴ The number of days = h ÷ $\frac{1}{2}$

- Change the division sign to multiplication sign and reciprocal the

   fraction after the division sign

∵ The reciprocal of $\frac{1}{2}$ = $\frac{2}{1}$ = 2

∴ The number of days = h × 2

∴ The number of days = 2h

Stan worked 2h days this week

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