How to calculate rates

Students sold yogurt to raise money for graduation. The first 20 yogurts sold cost $5 each. To sell more yogurt they lowered the cost to $4 each. If they raised $216, how many yogurts did they sell in all?

Hi huh what are your friends with her husband is

A circle with radius 5 and a center at (2, 3) was transformed to a circle with radius 10 and a center of (-1, 4). Show that the two circles are similar by describing the transformations that would have to be performed.

Solve for the given variable

Trina went scuba diving and reached an elevation of - 82.4 meters, which is below sea level. Jessie went hang gliding and reached an altitude of 87.9 meters, which is above sea level. who is closer to the surface?

comeplete the square to rewrite y=x^2-6x+14 in vertex form. then state whether the vertex is a maximum or minimum and give its coordinates.

write an equation for the following. each piece of candy costs 25 cents the price of h pieces of candy is $2.00

What is the denominator of the fraction 2over3

Mr and mrs baker place 12 inch rulers end to end along the entire length of a rug They each use 3 rulersAbout how many feet long is the rug?

Joel goes into the country for a walk. his total trip lasts five hours. he walks into the country at a rate of 3mph and walks back homr at 2mph. how far into the country did he go?