Peter is 8 years younger than Alex. In 9 years time, the sum of their ages will be 76 . How old is Alex now?
2 answers:
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Answer:
Hi! The answer to your question is
Step-by-step explanation:
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Answer:
(A) 21
Step-by-step explanation:
5x-15 needs to equal 90 since it is a right angle and 21 makes that true