Increase £1.20 by a quarter(1/4)

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

Solve the system of equations using the linear combination method. {4x−3y=127x−3y=3 enter your answers in the boxes.

The length of a lap is 15 meters. if lisa wants to swim 450 meters this week,how many laps must she swim