Eric and Charlotte collected donations for the food bank. Charlotte collected 3 times
the amount of Eric's donations minus $20.
Eric and Charlotte combined their
donations and spent half of the money on
canned food. The rest of the money, $50,
was donated to the food bank directly.
How much money did each student
collect?

Sienna planned a trapezoid-shaped garden, as shown in the drawing below. she decides to change the length of the top of the trapezoid-shaped garden from 32 ft to 24 ft. which expression finds the change in the scale factor?

What properties allow transformation to be used as a problem solving tool

Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.