Answer:
C.
Step-by-step explanation:
3.3*10^3 / 7
= 3300/7
= 471.4
= 4.71*10^2
Let me know if u can't see the picture
You need to do 2y+y+10+50=180. Then you'd combine like terms to make 3y+60=180 then to get rid of the sixty subtract it from 180 to make 3y=120 then divide by three to get y by itself so 120 divided by three is 40 which makes y whisk forty. Hope this helped.
Answer:

Step-by-step explanation:
Given:
Number of feathers = 
Number of caps = 
Number of feathers in each cap = 3
Now, solving by setting up a proportion.
1 cap has 3 feathers. 'c' caps has 'f' feathers.
This gives,

Solving by cross multiplication, we get:

Therefore, the equation representing the number of feathers 'f' Erica needs to make 'c' caps is given as:
