Answer:
u+2b=22
Unicycles have one wheel and bicycles have two, so the coefficient of 2 should go before the variable representing each bike.
It should equal 22 because 15 represents the total number of seats and not wheels.
Step-by-step explanation:
Answer: 
Step-by-step explanation: It is 2/9 because 2/9 converts to 0.222222222...
Hope it helps!
Answer:
12.5
Step-by-step explanation:
In order to solve, we need to add 9 to both sides of the equation:
<u>Our sum applied:</u>
b=12.5
22? (Correct me if I’m wrong)
U probably need to add in a picture