You can determine if the answer is positive or negative because the even numbers are positive and the odd numbers are negative
A & D are the correct answers!
Answer:
16/100 = 4/25
Step-by-step explanation:
4/10 * 4/10 = 16/100
Let the speed of walking of James = x mile/hour
speed of jogging = 2x mile/hour
9/2x + 1.5/x = 2
or, (9 + 3)/2x = 2
or, 12 = 4x
or, x = 3
Average speed of walking = 3 mile/hour
Average speed of jogging = 2 * 3 = 6 mile/hour
