Question: two men and three women working 7 hours a day finish a work in 5 days . four men and four women working 3 hours a day complete the work in 7 days . the number of days in which only 7 men working 4 hours a day will finish the work is ?
A) 5 days
B) 3 days
C) 2 days
D) 9 days
E) 10 days
Correct answer: a
Grade: 7 | Topic: Expressions and Equations | Difficulty: Hard | Standard: 7.EE.B.3