Answer:
1. b) 1/4
2. c) 70
Step-by-step explanation:
1. There is 100% in a whole and you are trying to find 25%, so if you multiply 25 by 4, you get 100, therefore, 25% is the same as 1/4
2. 50% is half of 100%, so you need to find half of 140. Half of 140 is 70.
