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Soloha48 [4]
3 years ago
7

The sum of nine and three times a number is 57 find the number and write an equation

Mathematics
1 answer:
Temka [501]3 years ago
7 0
Let "n" be a number

9 + 3n = 57
3n = 57 - 9
3n = 48
n = 48/3
n = 16
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A businessperson is charged a $4.96 monthly finance charge on a bill of $283.15.
gladu [14]

Answer:

  1.75%

Step-by-step explanation:

The monthly interest rate is the interest amount divided by the base on which it is computed, expressed as a percentage.

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2 years ago
A delivery truck is transporting boxes of two sizes: large and small. The large boxes weigh 55 pounds each, and the small boxes
nikdorinn [45]

Answer:

The number of large boxes is 55 and the number of small boxes is 70

Step-by-step explanation:

<u><em>The complete question is</em></u>

A delivery truck is transporting boxes of two sizes: large and small. The large boxes weigh 50 pounds each, and the small boxes weigh 20 pounds each. There are 125 boxes in all. If the truck is carrying a total of 4150 pounds in boxes, how many of each type of box is it carrying?

Let

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y -----> the number of small boxes

we know that

x+y=125 -----> equation A

50x+20y=4,150 ----> equation B

Solve the system by graphing

Remember that the solution of the system of equations is the intersection point both graphs

The intersection point is (55,70)

therefore

The number of large boxes is 55 and the number of small boxes is 70

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3 years ago
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Jlenok [28]

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Step-by-step explanation:

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beks73 [17]

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Read 2 more answers
A customer brings a check of 2,941. he wants 100 in cash, put 20% of the remaining into her savings account then the rest into a
Goryan [66]

Answer:

Amount theta she is putting in Checking account is 2272.80

Step-by-step explanation:

Given:

Amount on check = 2941

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Amount she put in saving account = 20% of remaining after getting cash

Remaining Amount she put in checking account.

To find: Amount in her Checking Account.

Amount left after taking cash = 2941 - 100 = 2841

Amount that she put in saving account = 20% of 2841 = \frac{20}{100}\times2841 =  568.20

Amount in her checking account = 2941 - 100 - 568.20  = 2272.8

Therefore, Amount theta she is putting in Checking account is 2272.80

8 0
3 years ago
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