Question: in 10 years , a will be twice as old 5 as b was 10 years ago . if a is now 8 years older than b , the present age of b is
A) 35
B) 37
C) 38
D) 41
E) 42
Correct answer: c
Grade: 7 | Topic: Expressions and Equations | Difficulty: Medium | Standard: 7.EE.B.4a