Betty had start fraction 1 over 7 end fraction yard of ribbon. She used start fraction 1 over 6 end fraction of it. How many yards of ribbon did she use?
A. 42 yd
B. The term shows 7 over 6. yd
C. start fraction 1 over 42 end fraction yd
D. start fraction 6 over 7 end fraction yd
To solve the problem, we need to multiply the amount of ribbon Betty had by the fraction of it she used:
1/7 x 1/6 = 1/42
So, Betty used start fraction 1 over 42 end fraction yards of ribbon.
Therefore, the answer is C. start fraction 1 over 42 end fraction yd.