Answer: 18. 9/27
19. 2/15
22. 990 to 992
Step-by-step explanation: 18. 15/45 is equal to 1/3, so then all I had to do was convert that to 9/27
19. this was just regular division
22. 8 inches equals 990 miles, and I wasn’t sure how to get the .3 converted, so I just estimated