percentage error is .5/12 = 4.17%
Hope this helps!
~LENA~
Answer:
B.
Step-by-step explanation:
The answer that fits this is B.
Answer: A
Step-by-step explanation: She rides slowly uphill for 5 minutes when she first leaves her house, then speeds up and rides at a consistent speed on flat road for 15 minutes. The last 7 minutes of her ride, she goes faster and faster, then rides downhill until she arrives at school.
Answer:
For equation 21-b=11 given in the statement
the answer is b=10
Step-by-step explanation:
This is the equation: 21-b=11
If we sum '-21' to both sides of equation, we have
21-b-21=11-21, which leaves us to: -b=-10
Now lets multiply the equation from above by '-1', we obtain that b=10