Question

Eva bought seven and one-half pounds of chocolate chips. She used three and three-fourths pounds in some cookies and two and five-sixths pounds in some muffins. How many pounds of chocolate chips were left?

A three-twelfths pounds
B eleven-twelfths pounds
C one and two-twelfths pounds
D one and seven-twelfths pounds

Answer 1

Your answer is B eleven twelfths pounds

Answer 2

B

Explanation:

`7(1)/(2) - 3(3)/(4) - 2(5)/(6) \\= (15)/(2) - (15)/(4) - (17)/(6) \\(common denominate is 12)\\=(90)/(12) -(45)/(12) -(34)/(12) \\\\=(11)/(12)`