The amount of rain is a continuous random variable because it can take on all of the numbers on a number line.
For example, the actual amount of rain in April could be 1 inch. Or 1.4 inches. Or 1.45 inches. Or 1.452020980234 inches. There are an infinite possibilities for the amount of rainfall.
The correct answer is C The total of both granola (g) and raisins (r) she wants is 15 lbs. Granola costs 2 and raisins cost 4.50 and that total price would be 37.50