Question

Helpers are needed to prepare for the fete. Each helper can make either 2 large cakes or 35 small cakes per hour. The kitchen is available for 3 hours and 20 large cakes and 700 small cakes are needed. How many helpers are required?

A) 10 B) 15 C) 20 D) 25

Answer 1

Answer:

A) 10 is your answer.

Step-by-step explanation:

1 helper takes 1 hr. -> 2 large or 35 small

1 helper takes 3 hrs. -> 6 large or 105 small

3 helper takes 3 hrs. to make 18 large cakes..

6 helper takes 3 hrs. to make 105×6=630 small cakes..

So remaining cakes -> 2 large and 70 small

clearly 1 worker can do the job in 1 hr (2 large) and 2 hrs (70 small)

So total helpers = (3+6+1) = 10.

therefore 10 helpers are required.

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