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Murljashka [212]
3 years ago
7

This week laptops are 25% off. If a laptop costs $340, what is its sale price?

Mathematics
2 answers:
Juli2301 [7.4K]3 years ago
5 0

Answer:

$25

Step-by-step explanation:

i have an odd method of solving these types of equations

25x=100

x=4

340/4 = 85

85 x 3 = 255

WITCHER [35]3 years ago
4 0

Answer:

13.6

Step-by-step explanation:

so i did 340 devided by 25 and thats how i got it i hope this is helpful

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Find the slope of the line that passes through (6, 2) and (10,3).
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Answer:

D

Step-by-step explanation:

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Cheryl is moving to a new house. Her old house is 3 kilometers and 457meters from her new house. How many meters is her old hous
MrRissso [65]

Answer:

Her old house is 3000m+457m = 3457m from her new house.

Step-by-step explanation:

Conversion of units problems can always be modeled as a rule of three problem.

Rule of three problem:

In a rule of three problem, the first step is identifying the measures and how they are related, if their relationship is direct of inverse.

When the relationship between the measures is direct, as the value of one measure increases, the value of the other measure is going to increase too. In this case, the rule of three is a cross multiplication

When the relationship between the measures is inverse, as the value of one measure increases, the value of the other measure will decrease. In this case, the rule of three is a line multiplication.

In the case of a conversion of units problem, the measures are:

- the value in one unit

- the value in another unit

As the value of the first unit increases, so will the value of the second unit. It means that in a conversion of units problem, we will always have a direct rule of three.

The problem states that Cheryl's new house  is 3 kilometers and 457meters from her old house. The problem wants to know this distance purely in meters, so we have to convert 3km to meters. 1km = 1000m, so:

1km - 1000m

3km - xm

x = 1000*3

x = 3000m

Her old house is 3000m+457m = 3457m from her new house.

5 0
3 years ago
Ms.stoner purchased a new computer for $1,150 at the apple store. If sales tax is 7.5% what was the total of her purchase
enyata [817]
First convert 7.5% into a decimal (.075)
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1,150 + 86.25 = 1,236.25
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3 years ago
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