Cycle paths inc, makes bicycles, tricycles, and unicycles. last week they made 88 more bicycles than unicycles, and 5 times as many tricycles as unicycles. if they made 40 more bicycles than tricycles, how many unicycles did they make

Let's name variables:

x = bicycles

y = tricycles

z = unicycles

We write the following system of equations:

x = 88 + z

y = 5z

x = 40 + y

We solve the equation system for z:

1) x = 40 + y

2) y = 5z

3) x = 88 + z

Substituting x and y in equation 1:

88 + z = 40 + 5z

We cleared z:

4z = 88-40

z = 48/4

z = 12

Answer:

They did make 12 unicycles