Assume There Are 100 Suppliers of Widgets in the Widget

Multiple Choice

Assume there are 100 suppliers of widgets in the widget market.Half of these suppliers supply 35 widgets to the market,a quarter of these suppliers supply 40 widgets to the market,and a quarter of these suppliers supply 50 widgets to the market.What is the market supply for widgets?

A) 100
B) 125
C) 400
D) 4,000
E) 1,750