Hi There! The answer is 10 and 1. Because you add 10 and 1 to get 11 and 10 times 1 equals 10. Hope this helps.
So this is going to be using proportions, which in this case is going to be
Firstly, cross-multiply to get
Next, just divide 18 on both sides, and your answer will be , or the last option.
Answer:
79.25 in.
Step-by-step explanation:
multiply 11 and 7.25 to get the actual size