283,631 views
40 votes
40 votes
Mike and Jasmine have a combined age of 30. Mike is 3 years younger than twice Jasmine's age. How old is Mike?

A. 11 years old
B. 19 years old
C. 16 years old
D. 13 years old

User TheZenker
by
2.7k points

2 Answers

21 votes
21 votes

Answer:

B) 19 years old

Explanation:

x+y=30

2y-3=x

--------------

2y-3+y=30

3y-3=30

3y=30+3

3y=33

y=33/3

y=11

x+11=30

x=30-11

x=19

User Tulsi
by
2.8k points
16 votes
16 votes
A. 11 years old

11 x 2 = 22 - 3 = 19 + 11 = 30

Mike was 3 years TWICE Jasmines age and they made 30 years together
User Nabin  Nembang
by
2.6k points