72 is 70 percent of what number

Two trains left the station at the same time, one heading due east at 40 miles per hour and the other heading due west at 50 miles per hour. How far apart were they after 4 hours? A. 160 B. 200 C. 360 D. 400

You are making identical gift bags using 24 candles and 36 bottles of lotion. what is the greatest number of gift bags you can make with no items left over. Show your work

Let be an exponential function such that (3) / (2) = 4. Determine the value of the following ratios. (9) / (8) = ? (7) / (5) = ? (33) / (30) = ? (111) / (110) = ?

Round 1395 to the nearest hundred

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $36.98. Find the probability that a randomly selected bill will have an amount greater than $173, which the city believes might indicate that someone is wasting water.

Six times a number is greater than 20 more than that number. What are the possible values of that number? n less-than 4 n greater-than 4 n greater-than StartFraction 20 Over 7 EndFraction n less-than StartFraction 20 Over 7 EndFraction

Given: m ZA + m ZB = m ZB + m2 Prove: mZC = m ZA Write a paragraph proof to prove the statement.

Gas prices are up 30% since last year when they were $4.35, how much is gas now?

Buddy needs to have a surgery on his leg the cost is 2500 his owner will get a loan for this amount over 2 years at a rate of 7.5% how much will the interest be on this loan?

Joel divided 68 cds evenly on 4 shelves in his bedroom. the cds are arranged in alphabetical order, with the first shelf containing the letters a-e. if there are 13 cds filed under a-d, how many cds are filed under the letter e?