Let’s say we are using 12 inch diameter balloons filled with helium to lift objects off of the surface. *Let’s say that 5 balloons can lift 60 grams of weight.

What is the unit rate for weight/balloon?

Students are given 3 minutes for each multiple-choice question and 5 minutes for each free-response question on a test. there are 15 questions on the test, and students are given 51 minutes to take it.how many multiple-choice questions are on the test?

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

At a kentucky friend chicken, a survey showed 2/3 of all people preferred skinless chicken over the regular chicken. if 2,400 people responded to the survey, how many people preferred regular chicken?