7. A box contains 28 packets and each packet has 6 erasers.The weight of an eraser is 10grams, what is the weight of all erasers in 15 such packets ? .Express the weight in kg.
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Answer:
25200 is your answer mam
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Given : A box contains 28 packets and each packet has 6 erasers.
The weight of an eraser is 10 grams, what is the weight of all erasers in 15 such boxes
To Find : Express the weight in kg.
Solution:
The weight of an eraser is 10 grams,
each packet has 6 erasers
Weight of 1 packet = 10 * 6 = 60 grams,
A box contains 28 packets
=> Weight of 28 packet = 28 * 60 =1680 grams,
Weight of 1 box = 1680 grams,
Weight of 15 boxes = 15 * 1680 grams
=> Weight of 15 boxes = 25,200 grams
1000 grams = 1 kg
=> Weight of 15 boxes = 25.200 kg
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