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Sever21 [200]
3 years ago
10

Fiona wants to buy a computer that costs $300. if she gets a discount of $80, and she saves $20 a week from her tutoring job, ho

w long will it take her to save enough money. write an equation to find how long it will take her to save enough money.
Mathematics
1 answer:
yan [13]3 years ago
7 0
Cost of computer = money she earns pr week * number of weeks + discount
300 $ = 20 $ * weeks + 80$
(300 $ - 80$)/20$ = 11 weeks
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UNO [17]

Answer:

8 is your answer

Step-by-step explanation:

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nataly862011 [7]

Answer:

3. 9n + 6 = 78

5. see below

Step-by-step explanation:

3.

Let the number of adults be n. Each adult ticket costs $9, so the cost of n adult tickets is 9n. There is only one child, and a child's ticket is $6, so the cost of the child's ticket is 6. Adding the costs, you get 9n + 6. The total cost is $78, but the expression representing the total cost is 9n + 6, so 9n + 6 must equal 78. That is the equation.

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3 years ago
Show me how to solve this, please.<br> <img src="https://tex.z-dn.net/?f=%282.7%20%2A%2010%5E%7B-5%7D%29%20%2F%20%289%20%2A%2010
rusak2 [61]

Answer:

3

Step-by-step explanation:

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3 years ago
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snow_tiger [21]

Answer:

The answer to this question can be defined as follows:

Step-by-step explanation:

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