Type-1 workers are 2.25 times as efficient as Type-2 workers. 30 Type-1 workers can do a piece of workÂ in 6.4 days. How many days would it have taken 4 Type-1 and 15 Type-2 workers to do the same work?_x005F_x000D_

Type-1 workers are 2.25 times as efficient as Type-2 workers. 30 Type-

1.	Type-1 workers are 2.25 times as efficient as Type-2 workers. 30 Type-1 workers can do a piece of workÂ in 6.4 days. How many days would it have taken 4 Type-1 and 15 Type-2 workers to do the same work?_x005F_x000D_
A.	18
B.	19
C.	17
D.	20
Answer» B. 19

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Type-1 workers are 2.25 times as efficient as Type-2 workers. 30 Type-1 workers can do a piece of workÂ in 6.4 days. How many days would it have taken 4 Type-1 and 15 Type-2 workers to do the same work?_x005F_x000D_

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