First, we need to add up all the quantities in ounces. 10 + 14 + 40 = 64. One pound = 16 ounces. 64 / 16 = 4, so the total weight in pounds is 4 lbs.
It is a prime because the only other factor of 6w^3-13 is 1.
Answer:
160
Step-by-step explanation:
400 / 2.5 = 160
160 x 1 = 160