Monday, January 14, 2008

work payment

Maria works 4 days per week and earns d dollars per day. Which of the following represents the amount Maria earns at this job in w weeks?

A. 4dw
B. w / 4d
C. 4d / w
D. 4w / d
E. dw / 4

1 comment:

Luís Botelho Ribeiro said...

In 4 days Maria will earn 4.d dollars. And that's all she'll earn in one week, since she "only" works 4 days per week. In w weeks, normally she´ll get w times that, or 4.d.w. This means the correct option should be A.