Heather had 63 4 pounds of apples. She bought another 51 2 pounds. She used 21 4 pounds in a fruit salad. How many pounds of apples does Heather have left? Is the student's answer reasonable? Yes, the answer is reasonable. No, the answer is not reasonable. It should be about 14 pounds. No, the answer is not reasonable. It should be about 4 pounds. No, the answer is not reasonable. It should be about 10 pounds.