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Deffense [45]
2 years ago
9

Helpppp plsssssssss !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
Maslowich2 years ago
6 0

Answer:

He is wrong.

Step-by-step explanation:

This indicates a percent increase in the amount of time he spends doing homework:

% increase = \frac{amount.of.increase.from.initial.amount.to.current}{initial.amount} * 100

% increase = \frac{5}{20} * 100

% increase = 25%

Meaning that he spent 100%+25% = 125% of the time he spent on homework last week.

Hence, he is wrong.

Nikitich [7]2 years ago
3 0

Answer:

Yes, he is correct

Step-by-step explanation:

25% of 20 is 5 (0.25*20)

100% of 20 is 20

if you take 125% of 20, you'll end up with 25

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3 years ago
Alaina wants to decide whether her current cell phone plan is better than a package that another company offers. To compare the
laiz [17]

Hello, this is a linear problem so we are working with y = mx + b

The problem tells us:

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6 0
3 years ago
A circle's radius is 25 inches.
Stella [2.4K]

Answer:

C≈157.08in

Step-by-step explanation:

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5 0
3 years ago
Read 2 more answers
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Tamiku [17]
In the fairest school 70% are below 16 years old 1/3 are teachers which is equals to = 21 Let’s start solving: => 1/3 of 100% => 100 / 3 = 33.33% thus 33.33% = 21 => 21 x 3 = 63, is the total number of people in the school. Let’s try solving the number of people below 16 years old Have you notice that you are asking for a 70% of students but there are already 33.33% of teacher. Thus your given problem is not right already. => 100% - 33.33% = 66.67% that’s the only remaining percentage and not 70% => 63 * .6667 = 42.0021 Thus, there are around 42 people who are 16 years old younger.
3 0
3 years ago
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