In order to answer, I would first need to know Jana's speed, not that she biked at a constant rate.
Answer:
137°
Step-by-step explanation:
Answer: red marble 7 out of 20 : 7/20 : 0.35: 35%
Step-by-step explanation:
The first amount would be the original amount as the answer because you are adding and then subtracting the same number. If the increase was 150% then the answer would be 50% more because 150%-100%=50%.
