SOLUTION: Mary is two years older than Robert. The sum of their ages is 28. Write an expression for each person, write the equation for the situation and find out how old each person is?

Question 953159: Mary is two years older than Robert. The sum of their ages is 28. Write an expression for each person, write the equation for the situation and find out how old each person is?
I'm confused on where to even start with this question to solve it.
Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
R=Robert's age; M=Mary's age=R+2yrs
R+M=28yrs Substitute for M
R+R+2yrs=28yrs Subtract 2 yrs for each side.
2R=26yrs Divide each side by 2.
R=13 yrs ANSWER 1: Robert is 13 years old.
M=R+2yrs=13yrs+2yrs=15yrs ANSWER 2: Mary is 15 years old.

RELATED QUESTIONS
patrick is twice the age of cynthia. cynthia is 2 years older than mary. write an... (answered by Alan3354)

David has two brothers. One brother is two years younger than him and the other is five... (answered by ewatrrr)

Mario is five years older than Luigi. The sum of their ages is 47. Write an equation that (answered by ewatrrr)

I need help with this question here: The Johnson boys were born two years after their... (answered by ikleyn)

write an equation for the sentence: Lisa is five years older than her sister and the sum (answered by stanbon)

susan is 5 years older than her sister. the sum of their ages is 51. write an equation... (answered by macston)

Anne�s age is 5 more than twice Matteo�s age. a) Write an algebraic expression for the... (answered by Cromlix)

Suzie is five years older than her brother, Michael. Write an expression to represent... (answered by stanbon)

Write an expression or equation Tracy�s mother is six times as old as she. If the sum... (answered by josgarithmetic)