Answer:
Niki's time for one lap is 1 min 10 sec
Step-by-step explanation:
Let
x ----> niki's time for one lap
Remember that
so
we know that
Niki's time for one lap multiplied by 0.90 (percentage in decimal form) must be equal to Toya's time for one lap
so
The linear equation that represent this problem is
solve for x
Convert to min
Answer:
Because you cant have -6 yards thats not a thing. Now if it was just 6yd that would be an okay answer because you could measure that.
Step-by-step explanation:
Answer:
Step-by-step explanation:
Bring the like terms together
5x + 22 - 6x -23 = 5x - 6x + 22 -23 {now, add/subtract the like terms}
= -x -1
Answer:
option 3)
14% approx
Step-by-step explanation:
Given data
Initial= $18.00
final =$20.50
% increase= final - initial/initia *100
% increase= 20.50-18.0/18*100
% increase=2.5/18*100
% increase=0.138*100
% increase=13.8%
Hence the increase is 13.8%
=14% approx