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3 years ago

Marcus spent 2 hours reading, 1 hour play Rocket League, and took a 2 hour nap. What percent of the total time did he read ?

2 answers:

8 0

The percentage of how much Marsha spend time reading is 40%. If Marcus spend 2 hour reading, 1 hour playing Rocket League and took a 2 hour of nap, add them all together which gets you 5. Now divide 100 by 5 because the most is 100% everytime and that gives us 20 of each. But Marcus spend 2 hours so you multiply 20 with 2 again which gives you 40 so this means that Marcus spend 40% out of 100% hours reading.

stich3 [128]3 years ago

4 0

Answer:

40%

Step-by-step explanation:

The total time is the total amount of hours. He spent 5 hours in total (2 hours + 1 hour + 2 hours), and he spent 2 hours reading. To find the percentage all you need to do is divide 2 by 5, which gets you 2/5, or 0.4. 0.4=40%, so he spent 40% of the time reading. For reference, he also spent 20% of the time playing Rocket League and 40% taking a nap.

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Answer:

"The percentage change of a ratio of two variables is approximately the percentage change in the numerator <u>minus</u> the percentage change in the denominator."

Step-by-step explanation:

The percent change in a number is determined by dividing the difference between the new number and original number by the original number and multiplying the result by 100.

Suppose the original ratio of two numbers is: $\frac{25}{100}$ .

And the new ratio is: $\frac{75}{100}$

The percent change is:

$Change\%=\frac{75-25}{100}\times100=\frac{50}{100}\times100=50\%$

Thus, the complete statement is:

"The percentage change of a ratio of two variables is approximately the percentage change in the numerator <u>minus</u> the percentage change in the denominator."

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