It's 7:10. There are 14 gray and 20 black, which simplifies to 7:10.
Answer:
The degree of is 4.
.................................
W=14 that’s because 360-80=280 then you have to divide that by 20. And you get 14 weeks.
Answer:
25%
Step-by-step explanation:
To solve this, we can use the percent change formula shown in the picture attached below.
is the new value,
is the old value, and
represents the change. For this problem, 80 is the new value and 64 is the old value. Let's plug those numbers into the formula and solve for the percent change:
× 
×
×

Thus, the answer is 25%.