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kozerog [31]
3 years ago
13

Peter works part time for 3 hours every day and Cindy works part time for 2 hours every day.

Mathematics
2 answers:
mrs_skeptik [129]3 years ago
6 0

Answer:

Peter works part time for 3 hours every day and Cindy works part time for 2 hours every day.

Part A:

Peter's earning in 3 hours is = 3\times4.50=13.5 dollars

Cindy's earnings in 2 hours is = 2\times4.50=9 dollars

We can define the inequality as: 9

Part B:

Let Cindy's earnings be C and number of hours needed be H.

We have to find her per hour income so that C ≥ 14

As Cindy works 2 hours per day, the inequality becomes 2H ≥ 14

So, we have H\geq 7

This means Cindy's per hour income should be at least $7 per hour so that she earns $14 a day.

Dmitriy789 [7]3 years ago
4 0

Answer:

a. We can say that P > C, where 'P' represents Peter's earnings and 'C' represents Cindy's earnings.

Given that P = 3h and C = 2h, where h =$4.50. We can say also that 3h > 2h.

b. If Cindy wants to earn at least $14 a day working two hours. Then:

2h ≥  $14

To solve the problem, we just need to solve for 'h':

h ≥ $7

Therefore, se should earn more or equal to $14 per hour.

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The solution to the statement 4 + (-4) is correctly given by the third number line.

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Therefore, the Number line which shows the solution 4 + (-4) is the third number line.

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