Answer:
They are similar ratios, both equivalent to 24 laps per hour but the second one is 8 times the first one.
50%(1/2) I geuss
Step-by-step explanation:
1/5=0.2=20%
20%+30%=50%
50%=1/2(or 2/4,or 3/6)
Answer: x=12
Steps shown in image below:
b = 4
3 - b = 6 - 7
3 - b = -1
-b = -1 -3
-b = -4
