Five times a certain number, minus 5 is equal to 7 more than three times the number

Luisa paid $7.95 for her breakfast, and she left 15% tip for the waiter. What will be the total bill with tip

Chris buys 6 marigold plants for her garden. The number of marigolds is the number of petunia plants she buys. How many petunias does she buy?

Best estimate for the quotient of 2 5/6 divided by 1/3

A rectangle's perimeter is equal to 27 plus its width. The length of the rectangle is four times its width. What is the width of the rectangle in units?

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.7 days and a standard deviation of 2.4 days. What is the 90th percentile for recovery times? (Round your answer to two decimal places.)

What is 25 percent of 32?

If a number is increased by 6 and the result is divided by 2, the number 5 is obtained. Find the original number?

Lauren is going to drive from her house to City A without stopping. Lauren plans to drive at a speed of 35 miles per hour, and after driving for 2 hours, she will be 70 miles away from City A.

If c = 4 and d = 5, find c:d.

31/8 as an improper fraction