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4 years ago

128 is 74% of what number

1 answer:

3 0

$74\%................................\ 128\\100\%................................\ X \\--------------\\\\ X= \frac{100*128}{74} = \frac{12800}{74}\approx \bold{172.972 } \\ \\ \boxed{\text{The answer is 172.972}}$

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Solve Systems of Equations Algebraically. <br> y=x-8 <br> y=5x

larisa86 [58]

Answer:

(- 2, - 10 )

Step-by-step explanation:

Given the 2 equations

y = x - 8 → (1)

y = 5x → (2)

Substitute y = 5x into (1)

5x = x - 8 ( subtract x from both sides )

4x = - 8 ( divide both sides by 4 )

x = - 2

Substitute x = - 2 into either of the 2 equations for y

Substituting into (1)

y = - 2 - 8 = - 10

solution is (- 2, - 10 )

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3 years ago

an auto repair shop charges $25 an hour they say your muffler needs to be replaced for $65 it takes them 2.5 hours to fix your c

Levart [38]

Answer: $130.50

Step-by-step explanation:

2.5 hours= $25 an hour

25+25+12.50=$62.50

Muffler=$65

65plus62.50

Total= $130.50

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3 years ago

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nalin [4]

B. 20, hope this helps :)

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4 years ago

How do you multiple 14.5×6.5×6.5?

BARSIC [14]

Multiple 14.6 x 6.5 then multiply the answer to that by 6.5

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3 years ago

Read 2 more answers

The sweater department ran a sale last week and sold 95% of the sweaters that were on sale. 38 sweaters were sold. How many swea

almond37 [142]

Answer: 40.

Step-by-step explanation:

Given : The sweater department ran a sale last week and sold 95% of the sweaters that were on sale.

95% can be written as 0.95 [ by dividing 100 ]

Also, the number of sweaters sold = 38

Let x be the number of sweaters were on sale.

Then , we have the following equation :_

$0.95x=38\\\\\Rightarrow\ x=\dfrac{38}{0.95}=\dfrac{3800}{95}=40$

Hence, 40 sweaters were on sale.

6 0

4 years ago