Answer:
40:1
Step-by-step explanation:
45:36 is the answer.
Divide 81 by sum of ratio.
81/(5+4)=81/9=9
So,
5×9 : 4×9
45 : 36
Check: 45+36=91
ill do ur hw for cashapp
insta
kk_iwi
txt and ill give u the deatails