Lời Giải
Lauren's age is half of Joe's age. Emma is five years older than Joe. The sum of Lauren, Emma, and Joe's age is 35. How old is Joe?
Lời Giải
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Translate the problem into an equation:
Giải
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The radius of a circle is 7 cm. Find the chu vi in terms of piFind three consecutive odd integers whose sum is 39.mother is twice as old as her daughter now,:but 10 years ago, she was 3 times as old as her:daughter. Find their ages at present.giải cho The sum of 3 times a number and 5 is equal to 9.Darrell opened a savings account and deposited 600.00 as principal. The account earns 13% interest, compounded annually. What is the balance after 7 years?