Answer:
Step-by-step explanation:
200 = 100%
80 = x%
200x = 8000
x = 40% (percentage increase)
400 = 200%
100 = 50%
500 = 200% + 50%
500 = 250% (the other percentage increase)
Answer:
16=x
Step-by-step explanation:
Answer:
for running his avarage was 9 miles an hour
for swimming his speed was 2 miles an hour
for biking his avarage was 12 miles an hour
this means if we added all of this it would be 23/3 hours and 23/3 simplified into a decimal is 7.6 so his avarage time was 7.6 miles per hour
7
30-7=23
7=g
Solve the equaton backwards to get the answer