To mail a first class letter, the U. S Postal Service charges $.34 for the first ounce and $.21 for each additional ounce. It cost $1.18 to mail your letter. How many ounces does your letter weigh?

3 divided by what equals 5

This is using proportions. Mary can read 22 pages in 30 mins. How long would take her to read 70 page book? Round your answer

How do you round 64,569 to the nearest thousands

Solve the equation -7x-3x+2=-8x-8

A car drives 195 miles in 3 hours and 15 mins. what is the average speed of the car?

150% of what number is 105

Solve: - 5 (x + 6) = 15

The sale price of ground beef at a local grocery store is $1.49 for the 1st pound and 1.09 for each additional pound which functional shows how the cost of ground beef why depends on the number of pounds X

How to creat an array with 141 divided by 3

Nick surveyed a random sample of the freshman class of his high school to determine whether spring break should be in March or April 1990 students surveyed 26.6% preferred April.