1 ) the formula used to calculate the simple interest is
I = Ci*n, f his formula you obtain n , that is the time in years n = I/ Ci, where c is the initial capital, i is the earned interest , and i is he rate of interest,
n = 120/600 (0,025) = 120 / 15 = 8 , at 8 years, you will obtain $ 120 of INTEREST
5.5 quarts equals 22 cups. (There are 4cups in a quart, so 4 * 5.5 = 22)
22-4= 18 cups
Answer:
It would be $62.62 because basically you want to do 52.50 times 1.25
It’s $15.69 for each of the 3 pizzas because 15.69+15.69+15.69=47.07 and then add the delivery fee and it’s 49.57