Answer: 12 3/8
10 1/2 + 10 1/2= 21
45 3/4 - 21 = 24 3/4
24 ÷ 2 = 12
Change the 3/4 into 8ths = 6/8
Divide that in half which gives you 3/8
So the length is 12 3/8
Answer:
the answer is n=4
Step-by-step explanation:
5/11 = 18/y
5 y = 18 · 11
5 y = 198
y = 198 : 5
y = 39.6