Math

Arithmetic Medium 4

⏱ 10:00

600%
• In the country of Etiquette, if 2 is a company and 3 is a crowd, then how many are 4 crowds and 2 1⁄2 companies?
• A store sells oranges for 20 cents each, but for every four oranges you buy, you may buy a fifth for only 5 cents. How many oranges can you buy from this store for \$3.40?
• Three integers have a sum of 7 and a product of 0. If the difference of the greatest number and the least number is 11, then the least of these numbers is
• A machine can produce 50 computer chips in 2 hours. At this rate, how many computer chips can the machine produce in 7 hours?
• Any positive integer that is divisible by 6 and 15 must also be divisible by
• If n percent of 20 is 4, what is n?
• If four apples cost 20 cents, then, at this rate, how much would ten apples cost?
• How much greater is the average (arithmetic mean) of a, b, and 18 than the average of a, b, and 12?
• Sayeeda spends \$.95 each day for her newspaper subscriptions. She would like to determine the approximate amount she spends during the month of July, which has 31 days. Which of the following would provide her with the best estimate?
• 8, 13, 21...... After the first two terms in the sequence above, each subsequent term is the sum of the two immediately preceding numbers. For example, 21 = 13 + 8. How many of the first 60 terms of this sequence are odd?
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