Spencer had a sack filled with pounds of cement. He removed some of the cement from the sack and put it into three buckets. He put pounds of cement in each bucket. Spencer says he has about 42 pounds of cement left in the sack. Is his statement reasonable?

A.
This is not reasonable because can be rounded to 66 and can be rounded to 8. Since 66 − 8 = 58, he would have about 58 pounds left in the sack.
B.
This is reasonable because can be rounded to 66 and can be rounded to 8. Since 66 − 3(8) = 42, he would have about 42 pounds left in the sack.
C.
This is not reasonable because can be rounded to 65 and can be rounded to 9. Since 65 − 9 = 56, he would have about 56 pounds left in the sack.
D.
This is not reasonable because can be rounded to 65 and can be rounded to 9. Since 65 − 3(9) = 38, he would have about 38 pounds left in the sack.