Question

It takes me 20 minutes to do my math assignment for the day. I have been lazy and I spend 2 hours and 20 minutes doing my work last night. How many assignments did I finish?

Answer 1

Answer:

Assignments finished = 7

Step-by-step explanation:

Given that:

Time taken for one assignment = 20 minutes

Time spent on working = 2 hours 20 minutes

2 hours = 120 minutes

Time spent on working = 120 + 20 = 140 minutes

Number of assignments = $\frac{Total\ time\ spent}{Time\ on\ one\ assignment}$

Number of assignments = $\frac{140}{20}$

Number of assignments = 7

Hence,

Assignments finished = 7

Answer 2

Answer:

You finished seven (7) assignments.

Step-by-step explanation:

1. First, you need to know how many minutes are in an hour. That is 60 minutes.

2. If you know that it takes 20 minutes for each assignment and you spend 2 hours and 20 minutes to do all the assignments, you need to get both times to the same unit, minutes.

3. 2 hours is equal to 120 minutes. Now we need to add the other extra 20 minutes, leaving a total of 140 minutes of homework assignments.

4. Now you need to divide 140 minutes by 20 minutes because that is how long one assignment takes. 140÷20=7.

5. In the end, you finished 7 assignments in 2 hours and 20 minutes.

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