Answer:
27:9 3:1.................
1/2 as a decimal is 0.50
5/6 as a decimal is 0.83 continued so we know 5/6 will come after 1/2
0.83 is closer to 1 so it would be D.
Answer:
Step-by-step explanation:
To set up this proportion, we know that 16 must correspond with 80% and the x, the number we're looking for must correspond with 100%

This would be the correct proportion, and you could simplify it to equal

Algebra

Divide everything by two, or times everything by 1/2.

This is as far as you could go due to no like-terms.
35+55+a=180
90+x=180
-90. -90
A= 90