Question

The owner of a bike shop sells unicycles and bicycles and keeps inventory by counting seats and wheels.one day,she counts 15 seats and 22 wheels.the equation representing the total number of seats is u+b=15 where u is the number of unicycles and b is the number of bicycles select the equation representing the number of wheels

Answer 1

bc a bicycle has 2 wheels and an unicycle has 1 wheel, so this is the equation representing the number of wheels

u+2b=22