Maria has three children. There is two years age difference between each child. The total ages of all three children is 36 years
. Rosa is the youngest child. How old is Rosa?
2 answers:
Answer:
Step-by-step explanation:
R means Rosa
given:
R+b+c=36
R R c-2=b, (R+2)+2=c
b-2=R, R+2=b
.
R+b+c=36 substitute for b and c
R+(R+2)+((R+2)+2)=36 add like terms
3R+6=36 subtract 6
3R=30 divide by 3
R=10
.
check
R=10
b=12
c=14
10+12+14=36
36=36
Answer: 10
Step-by-step explanation:
The children are 10, 12, and 14. (:
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