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15 apples is three times as many as 5 apples, so 15 apples will cost 3x$2 = $6
250 miles/(50 miles per hour) = 5 hours
Interest = Principal x Rate = $10,000 x 0.07 = $700
To find the percent of increase, subtract the second number from the original/first number (3.68-3.2=0.48) and divide that result by the original number (0.48/3.20=0.15=15%)
30 gallons x 3/5 = 18
From 7:45 am today to 7:45 am tomorrow is 24 hours. From 7:45 am tomorrow to 3:15 pm tomorrow is 7 1/2 hours. Total is 31 1/2 hours
$20 - $16.65 = $3.35
One ton = 2,000 pounds. Therefore, 4 tons = 8,000 pounds
$5.40/12 = $0.45
If it requires 4 people for 2 days, then it would require 8 people for 1 day.
