Sue uses 1/5 cup of flour for 2 cups of milk to make a cake. how many cakes can she make with 15 cups of flour

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).