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nignag [31]
3 years ago
13

the amount of sales at a toy store increases by 30% from May to June and decreases by 10% from June to July. The difference in t

he amount of sales between May and July is $7,650. What is the difference in the amount of sales between June and July?
Mathematics
1 answer:
Fittoniya [83]3 years ago
7 0

Answer: $ 5,850

Step-by-step explanation:

Let the original amount in May be x , since the amount increases by 30% in June , this means that the amount in June will be 130% of x.

Amount in June = 1.3x

Also , it decreases by 10% from June to July , that is the amount in July will be 90% of 1.3x

Amount = 1.17x

The difference in the amount of sales between May and July is $7,650. That is

1.17x - x = 7650

0.17x = 7650

divide through by 0.17

x = 45,000

Therefore :

Amount in May = $45,000

Amount in June = 1.3(45,000) = $ 58,500

Amount in July = 1.17 ( 45,000 ) = $52,650

the difference in the amount of sales between June and July will be

$58,500 - $ 52 , 650 = $ 5,850

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Step-by-step explanation:

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Use Pythagorean Theorem:

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maxonik [38]

Answer:

Las dimensiones del rectángulo son:

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largo = 20 cm

Step-by-step explanation:

Consideración:

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perímetro = 2(largo + ancho)

25% más grande = 125% = 125/100 = 1.25

Planteamiento:

2(a+b) = 72

b = 1.25a

a = longitud del ancho

b = longitud del largo

Desarrollo:

de la primer ecuación del planteamiento:

a+b = 72/2

a+b = 36

b = 36 - a        Ec. 3

Igualando la segunda ecuación del planteamiento con la Ec. 3:

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de la Ec. 3:

b = 36 - a

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de la primera ecuación del planteamiento:

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2 years ago
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Answer:

y = (10) x - 3 1/3

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