Answer: 30%
Step-by-step explanation:
Percent error = 
Estimated number of games win this year = 7
Actual number of games won = 10
Now , the percent error of Doug’s estimate = 
Hence, the percent error of Doug’s estimate = 30%
Answer:
5
Step-by-step explanation:
Answer:
Multiply 2 by the coefficient 4 and you get 8x, which is the answer
Answer:
[ 60/25 ] x 5 km/h = 12 km/h
Step-by-step explanation: