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WINSTONCH [101]
3 years ago
13

Lexie wants to earn at least $400 a week. She earns $10 an hour working at a grocery store and $8 an hour working at a restauran

t.
Let x be the number of hours she spends working at the grocery store and let y be the number of hours she spends working at the restaurant. Write an inequality that models this situation.
Mathematics
1 answer:
goblinko [34]3 years ago
3 0

Answer:

10x + 8y ≥ 400

Step-by-step explanation:

x equals the number of hours spent working at the grocery store

she earns $10 an hour thus we use 10x

y equals the number of hours she spends working at the restaurant.

she earns $8 an hour thus we use 8y

10x +8y represent the the money she makes in a week combined.

we use greater the "≥" sign because its an estimate of how much she makes. Lexie might have other sources of income. Finally $400 is about how much she makes from the two jobs a week.

Final answer 10x + 8y ≥ 400

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Suppose James has a credit card with a balance of 4289 . Each month the credit card company charges 5% interest. If James pays o
topjm [15]

Answer:

<h2>4076.56</h2>

Step-by-step explanation:

First we need to calculate the James monthly charges on his balance of 4289.

Using the simple interest formula;

Simple Interest = Principal * Rate * Time/100

Principal = 4289

Rate = 5%

Time = 1 month = 1/12 year

Simple interest = 4289*5*1/12*100

Simple interest = 21,445/1200

Simple interest = 17.87

<u>If monthly charge is 17.87, yearly charge will be 12 * 17.87 = </u><u>214.44</u>

The balance on his credit card one year from now = Principal - Interest

= 4289 - 214.44

= 4076.56

The balance on his credit card one year from now will be 4076.56

5 0
3 years ago
Addy bought a new shirt and she had a 20% off coupon . The coupon took $8.25 off of the price of her shirt. What did she pay wit
zloy xaker [14]

Answer:

$33

Step-by-step explanation:

Given: Addy had 20% off coupon.

           The coupon took $8.25 off of the shirt price.

Lets assume the original cost of shirt be "x".

We know Addy had 20% off coupon, which help to reduce the price of shirt by $8.25.

∴ We can form an equation to know the original price of shirt.

⇒\frac{20}{100} \times x= \$ 8.25

⇒\frac{1}{5} \times x= \$ 8.25

Multiplying both side by 5

⇒x= 8.25\times 5

∴ x= \$ 41.25

Hence, The original cost price of shirt was $41.25.

Next, finding the price paid by Addy for her new shirt by reducing coupon discount from the cost of shirt.

Price paid by Addy for her new shirt= \$ 41.25- \$ 8.25= \$ 33

Hence, Addy paid $33 for her new shirt.

8 0
3 years ago
Chen wants to buy a pair of pants that regularly cost $54 . Today, the pants are on sale for 60% of the original price.
s2008m [1.1K]
Do a proportion
60/100= x/54

Cross multiply and divide
54 x 60= 3,240
3,240 divided by 100 is 32.4

Now subtract
54- 32.4= 21.6
Answer is $21.6
3 0
3 years ago
If the area of the Arctic Ocean is 16% of the area of the Atlantic ocean what is the area of the Arctic Ocean
Art [367]
Idk how big is 16% is 16% like 20

3 0
3 years ago
Read 2 more answers
Assume a fair deck of playing cards. Find the probability of drawing a 10, replacing it and drawing an ace.
cupoosta [38]

Answer:

There are 52 cards in a deck. The total number of outcomes possible when picking 2 cards and replacing them is 52 * 52 = 2704.

There are 4 10s and 4 aces so the total number of successful outcomes = 4 * 4 = 16.

Probability = 16 / 2704 = 1 / 169

6 0
3 years ago
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