James earned $25 selling lemonade. If 80% of this was profit, how much did james spend initially on ingredients?

7x+2y=24 8x+2y=30 solving using elimination

The difference of 9 and the number n is equal to 4

Tom's brother saw an advertisement for a special at Muscle Fitness. Muscle Fitness is offering $20 off the one-time regular registration fee of $80.

Which answer correctly estimates the quotient of 102.02 : 4.011? a. about 25 b. about 250 c. about 2,500 d. about 25,000

the perimeter of a rectangle is 32 centimeters. The length is 1 cm more than twice the width. Find the dimensions of the rectangle.

Brand A: 240 mg sodium for 1/3 pickle Brand B: 325 mg sodium for 1/2 pickle? what is the unit rate?

Which statements are true? Select each correct answer. All squares are rhombuses. All parallelograms are quadrilaterals. All rectangles are squares. All rhombuses are rectangles.

What is 13/19 as a decimal

if a hospital patient is given 50 milligrams of medicine which leaves the bloodstream at 10% per hour, how many milligram of medicine will remain in the system after 6 hours?

What is 5,000 rounded to