I guess that is 1:10
Hope ur help !;(
Let the no. of stars one can expect to see at Bryce Canyon be x.
Given that : No. of stars visible in the night sky = 2000
Also, given that, it is 4/15 of x.
Now, we have

∴ You can expect to see 7,500 stars at Bryce Canyon.
A = B+32
B = 5C
A = 5C+32
C has d dollars so replace d for c
A = 5d+32