Answer:
C. 35
Step-by-step explanation:
According to the pie-chart, 14% of people chose walking.
14% of 250 is 35, so 35 people chose walking.
.14×250= 35
Answer: the answer is A
Step-by-step explanation: 400 times 2.5 is 1000 and 250 times 2.5 is 625 and together they equal 1625
900,000,000. move the decimal until you have a number between 1-10 so move it 8 times and you'll have 9×10^8