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Q.

Adam has 302 playing cards of one type and 398 playing cards of the other type. Find the estimated difference to the nearest hundred between the two types of cards.

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a

100

b

90

c

110

d

200

answer is B.

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Detailed Solution

Number of cards of type 1 = 302 

Number of cards of type 2 = 398 

Rounded off to the nearest hundreds 302 ≈ 300 

Rounded off to the nearest hundreds 398 ≈ 400 

Estimated difference = 400 − 300 = 100 

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Adam has 302 playing cards of one type and 398 playing cards of the other type. Find the estimated difference to the nearest hundred between the two types of cards.