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antoniya [11.8K]
3 years ago
12

Billy and Maria mow lawns. Billy earned $15 the first day and $20 every day after that. Maria earned $10 the first day and $25 e

very day after that. Find how much each earns after 15 days. How do Billy's earnings compare to Maria's?
Mathematics
1 answer:
Otrada [13]3 years ago
8 0

Answer:

Step-by-step explanation:

Billy and Maria mow lawns. Billy earned $15 the first day and $20 every day after that. This means the if Billy mowed lawns for x days after the first day, the total amount earned by Billy would be

15 + 20x

Maria earned $10 the first day and $25 every day after that. This means the if Maria mowed lawns for y days after the first day, the total amount earned by Maria would be

10 + 25y

To determine how much each earns after 15 days, it becomes

For Billy, x = 15

Amount earned = 15 + 20×15 = $315

For Maria, y = 15

Amount earned = 10 + 25×15 = $385

Maria earns more than Billy

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Answer:

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Step-by-step explanation:

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5 0
3 years ago
Zoe is solving the equation 3x – 4 = –10 for x. She used the addition property of equality to isolate the variable term as shown
kherson [118]
3x-4 = -10

3x-4 +4 = -10 +4

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x= -2
3 0
3 years ago
How many models of 100 do you need to model 3200 explain ​
rusak2 [61]

32 models need to make model of 3200.

Given that a 1 model contain 100.

Two series of numbers, usually empirical data, that are proportional or proportional if their respective elements are in constant proportion, called the scaling factor or the rate constant.

One model has 100 elements.

Now, we have to find how many model contains 3200 elements.

So, 1 model=100 elements

n model =3200 elements

We will write this in proportion as

1/n=100/3200

Applying the cross multiply, we get

3200×1=n×100

Divide both sides with 100, we get

3200/100=100n/100

3200/100=n

32=n

Hence, the  32 models contain 3200 elements when one contain 100 elements.

Learn more about proportional from here brainly.com/question/23536327

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1 year ago
20 ÷ ____ = 5 need your help
lbvjy [14]

Answer:

4

Step-by-step explanation:

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2 years ago
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Answer: AAS that's what it should be

Step-by-step explanation:

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