72 is what percent of 90? A. 10%
B. 40%
C. 60%
D. 80%
(Please explain how you got your answer too)

Acarnival sold tickets for $1.50 for adults and $1.00 for students. there were 54 tickets sold for a total of $70.50. write a system of equations to represent the number of adult tickets,x, and the number of student tickets,y. find the solution and explain what it means. i'll you if you me

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?