He would such as to leave 20% tip how much should he leave, Mathematics

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Mr. Pelicas took his family out to dinner. The bill was $65.00. He would such as to leave a 20% tip. How much should he leave?

Find 20% by multiplying $65 through the decimal equivalent of 20% (0.20); $65 × 0.20 = $13.00. The tip is $13. Another techniques for solving this problem is to ?nd out 10% of $65.00 through dividing $65.00 by 10 (that means moving the decimal point one place to the left); $65.00 ÷ 10 = $6.50. Once you have 10%, just double it to ?nd 20%; $6.50 × 2 = $13.00.

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