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Estimate the ...

Question

Estimate the length of the table tennis racket and the baseball bat.

A

5 in and 75 cm

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B

40 in and 200 cm

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C

10 in and 75 cm

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D

40 in and 40 cm

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Solution

The correct option is C 10 in and 75 cm

Estimated length of the table tennis racket:

As shown in the given figure, the length of 1 part of the table tennis racket is 2 in.
The length of the table tennis racket is almost 5 times the length of the part that measures 2 in.

So, estimated length of the racket = 2 + 2 + 2 + 2 + 2
= 10 in

Estimated length of the baseball bat:
As shown in the figure, the length of 1 part of the baseball bat is 15 cm.
The length of the baseball bat is almost 5 times the length of the part that measures 15 cm.

So, estimated length of the baseball bat = 15 + 15 + 15 + 15 + 15
= 75 cm

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Similar questions

Q. A factory makes tennis rackets and cricket bats. A tennis racket takes 1.5 hours of machine time and 3 hours of craftman's time in its making while a cricket bat takes 3 hours of machine time and 1 hour of craftman's time. In a day, the factory has the availability of not more than 42 hours of machine time and 24 hours of craftman's time. If the profit on a racket and on a bat is Rs 20 and Rs 10 respectively, find the number of tennis rackets and cricket bats that the factory must manufacture to earn the maximum profit. Make it as an LPP and solve it graphically.

Q. A factory makes tennis rackets and cricket bats. A tennis racket takes

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(i) What number of rackets and bats must be made if the factory is to work at full capacity?
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Q. The given table shows the length of 20 baseball bats. Which of the following line plots represents the given data and what is the most common length of the baseball bats?

Length of baseball bats (inches)
46	42	41	43	42	44	45	41	44	42
42	40	39	40	45	43	41	42	44	39

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