Answer:
11.25, the length is 11.25
Step-by-step explanation:
The dimensions are 4 2/3, 6 2/3 and ? if you multiply them, they equal 350
let ? = x
4 2/3 * 6 2/3 * x = 350
Multiply 4 2/3 and 6 2/3
31 1/9 * x = 350
divide both sides by 31 and 1/9
x = 11.25
