Answer: The Answer is (4,-6)
Step-by-step explanation:
You need to convert 3 lb, 6 oz into all ounces. To do this, know that 16 ounces is 1 pound.
(3pounds)(16 oz/1 pound)
This cancels out the pounds, and leaves you with 48ounces, then add the 6 ounces you already knew of. You now have 54 ounces, which is "D"
$9 on sodas
Since the candy bars are $2 each and he got 3 that equals 6 leaving 9 remaining