A boy is Y years old. His father is twice as old as he is. The sum of their ages is 63. How old is the boy?
2 answers:
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Answer:
Please see the images attached. #2 is the one with three different background colours & three different lines. #3 is the one with one background colour (other than white) and one line.
Step-by-step explanation:
Graph them onto a graphing calculator. Let me know if you need more help!
