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leva [86]
3 years ago
8

A bookshop has 30816exercise books which were packed in cartons.Each carton contained 24 exercise books.The mass of an empty car

ton was 2kg and of a full carton is 12kg. What was the total mass of the empty cartons? ​
Mathematics
1 answer:
jeka57 [31]3 years ago
7 0

Answer:

2568 kg

Step-by-step explanation:

30816 divided by 24 gives us 1284 or the total number of cartons which can then be multiplied by 2 to give us the weight of the empty cartons.

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grandpa joe wants to open an account for his grandchildren that he hopes will have $80,000 in it after 20 years. how much must h
kirill [66]

Answer:

$46185.04

Step-by-step explanation:

80000 = X(1 + 0.0275/12)^(20×12)

X = 46185.03749

3 0
3 years ago
Compute the dimensions of gravitational constant G where F=Gm1m2/r^2​
VARVARA [1.3K]

Answer:

G=L^3/(T^2M)

Step-by-step explanation:

  1. G=(Fr^2)/Mm
  2. G=(ML^3)/(T^2M^2)
  3. G=L^3/(T^2M)
8 0
3 years ago
3. Find the number which is 32,586 more than 87,65,432.
sweet [91]

Answer:

3. 8,798,018

4. 4,782,125

5. 156,432,332

6. 4,581,865

7. 4,594,375

8. 3,672,050

9. 7,272,925

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6 0
3 years ago
Helen got a 7% reduction in the price of pair jeans that are normally $32. What is the approximate percent decrease in the price
Colt1911 [192]

A percentage is a way to describe a part of a whole. The approximate percent decrease in the price is 21.87%, thus, the correct option is B.

<h3>What are Percentages?</h3>

A percentage is a way to describe a part of a whole. such as the fraction ¼ can be described as 0.25 which is equal to 25%.

To convert a fraction to a percentage, convert the fraction to decimal form and then multiply by 100 with the '%' symbol.

Given the reduction in the price is $7, while the original cost is $32. Therefore, the approximate percent decrease in the price is,

Percentage decrease = 7/32  × 100%

                                     = 21.87%

Hence, the approximate percent decrease in the price is 21.87%, thus, the correct option is B.

The correct question is:

Helen got a $7 reduction in the price of a pair of jeans that are normally $32. What is the approximate percent decrease in the price?

The percent decrease is approximately 15%.

The percent decrease is approximately 21%.

The percent decrease is approximately 43%.

The percent decrease is approximately 78%

Learn more about Percentages:

brainly.com/question/6972121

#SPJ1

3 0
2 years ago
You estimate that a jar contains 68 marbles. The actual number of marbles is 60. Find the percent error. Round your answer to th
ANEK [815]

Answer:

27.2

Step-by-step explanation:

Hello!! I for got how to solve this but, I think it is:

68 x 0.60 = 40.8

68 - 40.8 = 27.2

5 0
3 years ago
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