SOLUTION: The difference in a age of two girls is 1 year. The sum of their ages is 27 years. Find their ages.
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Question 604589
:
The difference in a age of two girls is 1 year. The sum of their ages is 27 years. Find their ages.
Answer by
scott8148(6628)
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"The difference in a age of two girls is 1 year" ___ a - b = 1
"The sum of their ages is 27 years" ___ a + b = 27
add the equations to eliminate b; solve for a, then substitute back to find b
