The manufacturer's label states that 500 mg of powder is in a container. When you weigh it on your pharmacy scale, you find that 535 mg of powder is in the container. What is the percentage of error?

Ms. Rogers was mixing punch for a birthday party. She was using three cups of sugar for every two packets of punch mix. Which ratio below represents how much Rogers used.

What amount of wallpaper should you purchase if you need to cover 480 square feet of wall area and 9% of the material purchased will be wasted? Round to the nearest square foot.

A new, larger bottle of shampoo contains 15.6 ounces.  The bottle says you get 30% more than the amount in the original bottle.  How many ounces of shampoo were in the original bottle?

"A student measures the mass of a lab sample as 2.7 grams. What is the percent error, given that the correct mass is 2.58 grams? Round to the nearest hundredth of a percent". A- 104.65% B- 4.65 C- 95.56 D- 4.44 What would be the correct answer? please and thank you :)

You bought a bag of  potatoes that says on it, in print, "15 pounds". When you weigh it at home, it was 13.875 pounds. Find the relative error?

There was 15 swimmers in the pool and 225 runners on the track at the local gym. No one else was using the gym.? what is the ratio of runners to swimmers? what is the ratio of swimmers to gym users?

What is the percentage of difference between 6.26 and 6.2475?

You have a bag of jalapeno pepper from a local farm, which weighs 12.5 pounds. You clean and trim the peppers and 11 pounds 10 ounces of the peppers remain. What percent of the original 12.5 pounds of jalapeno peppers are stems and seeds?