2 years ago

5 men take 45hours to build a wall.how long will it take 9men working at the same wall?

Mathematics

1 answer:

Karolina [17]2 years ago

7 0

Answer:

25 hours

Step-by-step explanation:

It takes 5 men 45 hours to build a wall.

So, if no. of men increases by 1.8 [∴ 5 x 1.8 = 9],

then time taken reduces by that same amount.

=> 45 hours / 1.8

=> 45 / (9/5)

=> 45 x 5 / 9

=> 5 x 5

=> 25 hours

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3 years ago

Danny has 11 1/4 cups of chocolate syrup. He is going to make chocolate sundaes for his friends. Each sundae will have 3/4 cup o

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Answer: Danny can make 15 sundaes from 11 1/4 cups of chocolate

Step-by-step explanation:

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