To get the answer we can use proportion.
30----------100%
12-----------x
Cross multiply now
30x=12*100%
30x=1200% /:30 (divide both sides by 30)
x=40% - it's the percentage of cars which finished the race.
100%-40%=60% - it's the answer
Answer:
the answer is c
Step-by-step explanation:
The sum is 3 or 1 , 3 is a prime number and 1 is a prime number. But the most reasonable answer/sum is 3
