Question

There are 21 wheels at the bike shop. The wheels

will be used to build tricycles and bicycles. There
will be half as many tricycles as bicycles. How
many of each type of bike will be built?​

Answer 1

6 bicycles and 3 tricycles

Explanation:

bicycles have two wheels therefore 6*2=12 total wheels

tricycles have three wheels therefore 3*3=9 total wheels

add the totals up and you have 21 total wheels