Ask Question
7 November, 19:35

Mary is 5 years older than Bob. If the sum of their ages is 39, write and solve an equation to find their ages

+4
Answers (1)
  1. 7 November, 20:42
    0
    Bob is 17 years old

    Mary is 22 years old

    Step-by-step explanation:

    Mary's current age: m

    Bob's current age: b

    m + b = 39

    m = b + 5

    Substitute.

    b + 5 + b = 39

    2b + 5 = 39

    2b = 34

    b = 17

    m = 22
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “Mary is 5 years older than Bob. If the sum of their ages is 39, write and solve an equation to find their ages ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers