A bookstore had 80 copies of a magazine. Yesterday, it sold 2/5 of them. Today, it sold 1/4 of what remained. How many copies does the bookstore have left?

At 10:00 a. m. two boys start out on their bikes to meet each other from towns located 68 miles apart. At 1:00 p. m. they meet. If one boy traveled 3 miles per hour faster than the other, what was the rate of speed of each boy?

How do i turn y=9/2x+20 into standard form?

Carol spends 17 hours in a 2 week peiod practicing her culinary skills how many hours does she pratice in 5 weeks?

Consider the quadratic function f (x) = - 2x2 5x - 4. the leading coefficient of the function is?

F (x) = x²-6x+17 [find (x+h) - f (x) ]/h [find (x+h) - f (x) ]/h

Explain how can 9*1/4=2 1/2

X/6 2=8 how do i do this

A used bookstore will trade 2 of its books for 3 of yours. If Val bring in 18 books to trade, how many books can she get from the store

Two sides of a triangle are 15 mm and 10 mm. The perimeter of the triangle is 35 mm. What's the third side?

Sheila has five times as many markers as day together they have 18 markers how many markers does Sheila have