Answer:
the answer, I think would be -8
9.24 / (5.5 * 6) = 9.24 / 33 = 0.28 per oz
4.68 / (6.5 * 3) = 4.68 / 19.5 = 0.24 per oz
4.48 / (3.5 * 4) = 4.48 / 14 = 0.32 per oz
so the lowest cost is the 6.5 oz tuna in packs of 3 cans for 4.68
His brother is 2 years old
525,600 minutes in a year
3,330,000 * 525,600 = answer
Type it into a calculator and you'll have your answer