Colin has played 25% of his tennis matches for the year. He won 20% on those matches. What percent of his remaining must Colin win to have won 50% of his matches a. 80%
b. 65%
c. 62%
d. 60%​

1. d.90

2. e. none of these (80)

3. a. 0

4. b. 6

5. e. none of these (10)

6. a. 5

180°

step-by-step explanation:

sum of equilateral triangle=180°

< n=60°

< m=120°°[angle supplementary of equilateral angle]

< m+< r+< x=360°(sum of exterior angle of triangle)

answer: b f g .

step-by-step explanation: