Question:-
Mr.A loves dumplings. He can eat 32 of them in an hour. His brother Mr.B needs 3 hours to eat the same amount. How long will it take them both together to eat 32 dumplings?
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Answer:-
If Mr.A eats 3 times as fast as Mr.B, he must be able to eat 3 times as many dumplings as his brother. Therefore, Mr.A eats 24 while Mr.B eats 8 ( 32 ÷ 4 = 8 ). Together it takes them 45 minutes.
Mr.A loves dumplings. He can eat 32 of them in an hour. His brother Mr.B needs 3 hours to eat the same amount. How long will it take them both together to eat 32 dumplings?
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
Answer:-
If Mr.A eats 3 times as fast as Mr.B, he must be able to eat 3 times as many dumplings as his brother. Therefore, Mr.A eats 24 while Mr.B eats 8 ( 32 ÷ 4 = 8 ). Together it takes them 45 minutes.
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