Rico, Carolina, and Gloria have pizza that they are going to be sharing with other people. Rico gave away 1/3 of his cheese pizz
a to Carolina and she gave him 3/7 of her pepperoni. Rico then gave Gloria 1/7 of his cheese pizza. How much pizza, pepperoni and cheese, does Rico have now?
To find the rate<span> of change, find the total change in price and then divide it by number of years over which it changed. So the answer is </span><span>$0.603</span><span> which is </span><span>$0.20 per pound per year</span><span>.</span>