exam Maths Puzzle Numerical Ability

The profit on a small appliance is given by P = x� -3x -60, in which x is the number of appliances sold per day. How many appliances were sold on a day when there was a $20 loss?

Read Solution (Total 0)

exam Other Question

By subtracting, how would you find and write the answer to this problem in lowest terms?

y/y^2+y-20-4/y^2+y-20 Frank got scores of 75, 83, and 79 on his first three tests. What score does he need to make on his next test to have an average of 80?