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MAVERICK [17]
4 years ago
6

triniti had $500 in a savings account at the beginning of the summer. She wants to have at least $200 in the account by the end

of the summer. She withdraws $25 each week for food, clothes, and movie tickets. Write an inequality that represents Triniti's situation.
Mathematics
2 answers:
Citrus2011 [14]4 years ago
3 0
500-(25x) < 200
Or it could be less than or equal too so the less than with a line under

Lemur [1.5K]4 years ago
3 0

Answer:

500-25w\geq 200

Step-by-step explanation:

Let w represent number of weeks.

We have been given that Triniti withdraws $25 each week for food, clothes, and movie tickets. So amount withdrawn in w weeks would be 25w.

We have been given that Triniti had $500 in a savings account at the beginning of the summer. So amount left after w weeks would be 500-25w.

Triniti wants to have at least $200 in the account by the end of the summer. So amount left after w weeks would be greater than or equal to 200.

We can represent this information in an inequality as:

500-25w\geq 200

Therefore, our required inequality would be 500-25w\geq 200.

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Answer:

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Step-by-step explanation:

Dan and june mix two kind of feed for pedigreed dogs

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Feed B worth is $0.40 per pound

Let x represent the cheaper amount of feed and y the costlier type of feed

x+y= 70..........equation 1

0.26x + 0.40y= 0.30×70

0.26x + 0.40y= 21.........equation 2

From equation 1

x + y= 70

x= 70-y

Substitutes 70-y for x in equation 2

0.26(70-y) + 0.40y= 21

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Divide both sides by the coefficient of y which is 0.14

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y= 20

Substitute 20 for y in equation 1

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x + 20= 70

x= 70-20

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Hence Dan and june should use 50 pounds of the cheaper kind in the mix

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