83 x 6 = 498
all six of her scores need to equal at least 498 for an 83 average
83 + 84 + 93 + 77 + 85 = 422
498-422 = 76
she needs a 76
7/12 / 3/4
You can write it as
7/12 * 4/3
=28/36 = 14/18 = 7/9
So, 7/9 is your answer
The answer is D. 13 Inches, this is 6th grade math I believe?
