There are only purple marbles and orange marbles in a bag. There are three more purple marbles than orange marbles in the bag.
There are more than 12 marbles in the bag.
Roxanne is going to take at random two marbles from the bag.
The probability that Roxanne will take two marbles of the same colour is 43/88
Work out the number of orange marbles in the bag.

41/2 - 1 1/3 what is the answer as a fraction?

One month, a music site observed that 60% of the people who downloaded songs from its site downloaded q sam's latest single. the equation below represents this information, where x represents the total number of people who ddownloaded songs from the site that month: x = 0.6x + 384 how many people who downloaded songs from the site that month downloaded q sam's latest single?

Find an equation for the linear function which has slope -10 and x-intercept -7