SOLUTION: Jonna is 4 years older than her brother. What expression shows the sum of their ages if b represents Jonna’s brother’s age?

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Question 1143215: Jonna is 4 years older than her brother. What expression shows the sum of their ages if b represents Jonna’s brother’s age?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
The sum of their ages is:
+b+%2B+%28+b+%2B+4+%29+=+2b+%2B+4+
---------------------------------
Check:
suppose her brother is 10
Then Jonna is +10+%2B+4+=+14+
The sum of their ages is +10+%2B+14+=+24+
and
+2b+%2B+4+=+2%2A10+%2B+4+
+2%2A10+%2B+4+=+24+
OK