If something was 200 dollars and i got it for 80 how much was it off

You estimate 120 to deliver materials to a construction site. One company offers 1/3 of the cost that you estimated. How many will the company charge to deliver the materials?

Lana took one and a half times as long as jayden to finish a project. If lana took 15 days how long did jayden took

A cook had 15 eggs to scramble and equally serve 4 people. Which location on a number line correctly indicates the number of eggs each person would receive? A. between 2 and 3 B. exactly 3 C. between 3 and 4 D. between 4 and 5

What is the equation of a line that has a slope of - 2 and goes through (-1, - 1) ? a) y + 1 = - 2 (x + 1) b) y - 1 = - 2 (x-1) c) y + 1 = 2 (x + 1) d) y - 1 = 2 (x - 1)

A piggy bank containing only quarters has a mass of 850 grams when empty and 7822 grams when filled if a quarter weighs 5.6 grams estimate the money

Birthweights at a local hospital have a normal distribution with a mean of 110 oz. and a standard deviation of 15 oz. what z-value corresponds to a birthweight of 138 oz.? (round your answer to the nearest hundredth.)

For every 24 minutes of television, there are 6 minutes of commercials. how many minutes of commecials are in 1 hour and 36 minutes of television?

There is a red, a green, and a yellow bulletin board hanging in the hallway. All of the bulletin boards are rectangular with a height of 4 feet. Their lengths are 6 feet, 5 feet, and 3 feet.

What is the equation of a line that is parallel to y=5/6x-10 and passes through (12, 8) ? Enter your answer in the box.

And earthquake wave travels through 55 km of rock in 25 seconds. Write a equation to represent the relationship between t, the number of seconds, and d, the total distance the wave travels.