Question: a man has some hens and cows . if the number of heads be 46 and the number of feet equals 140 , then the number of hens will be :
A) 22
B) 23
C) 24
D) 26
E) 28
Correct answer: a
Grade: 8 | Topic: Expressions and Equations | Difficulty: Hard | Standard: 8.EE.C.8