Question

Andrew is two years older than Beatrice, and Chris is three years younger than Beatrice.
The sum of Andrew's age and Chris' age is 67. Let b represent Beatrice's age.
Write an equation that would help determine Beatrice's age.​

Answer 1

Answer:

2+b+b-3= 67

Step-by-step explanation:

Andrew = 2+B

Chris = B-3

2+B+B-3= 67

Answer 2

Answer:

b+2+b-2= 67

Step-by-step explanation:

Beatrice's age = b

therefore,

Chris' age = b-3

and

Andrew's age = b+3