Lời Giải
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Translate the problem into an equation:
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The đường kính of a circle is 22 m. Find its areaAaron is 5 years younger than Ron. Four years later, Ron will be twice as old as Aaron. Find their present ages.A video game was marked down by 20% off the original price if the sales price is 48.50 what was the original priceThe hiệu of two numbers is 36 . Their sum is 154. What are the numbers?192 is 96% of what number?