Lời Giải
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Tommy is 4 years older than Ron. 8 years ago, Tommy was 5 times as old as Ron. Find Ron's present age.5 more than three times a number is 35Taub went shopping for a new pair of pants. Sales tax where she lives is 9%. The price of the pair of pants is 36. Find the total price including tax. Round to the nearest cent.six times the sum of nine and a numberThe bán kính of a circle is 10 in. Find its area in terms of pipi.