There are 8 footballs in a store cupboard; one is yellow and the others are white. A pupil takes 2 footballs out of the cupboard at random. What is the probability that one of them is the yellow ball?

Part a : solve - vp + 40 < 65 for v . part b : solve 7w - 3r = 15 for r show your work!

Afactory adds 3 red drops and 2 blue drops of coloring to white paint to make each pint of purple paint. the factory will make 50 gallons of the purple paint.how many drops of red and blue coloring will the factory need in the 50 gallon batch of purple paint.

Solve this problem! extra ! 3025/5.5 = a/90.75 / = fraction