90 students represent x percent of the boys at Jones Elementary School. If the boys at Jones Elementary make up 40% of the total school population of x students, what is x?

A. 125

B. 150

C. 225

D. 250

E. 500

Roberto wants to make $2.00 using dollars, half of a dollar, and quarters. How many different ways can he make $2.00

The recommended daily intake (RDI) of a nutritional supplement for a certain age group is 1500 mg/day. Actually, supplement needs vary from person to person. Write an absolute value inequality to express the RDI plus or minus 100 mg and solve it.

Leah has sold magazine subscriptions worth $330 for a school fundraiser. If she reaches a total of $500, she wins a gift certificate. How many more subscriptions does she need to sell to reach $500?

What is the area of a right triangle with a leg length of 15 feet and hypotenuse length of 39 feet

Solve the co, pound inequality 3x + 5 ≤ - 1 or - 2x - 7 ≥ 5

Carol, the band director, tracked how many minutes each saxophone player practiced last week. She found that Sven practiced for 30 minutes, Li Mihn practiced for 45 minutes, Wendy practiced for 90 minutes, Thomas practiced for 75 minutes, and

How much time is left on the digital camera

Write 4.4 as a reduced mixed number

Five friends went to the movies. Total cost was $55.91. If the friends split the cost equally about how much did each person pay

claudia had a rope that was 12 feet long. she cut it into 24 equal lengths. how long in inches is each new rope