# Algebra Puzzle – Challenge 50

This is another math puzzle and brain teaser that is interactive, challenging, and entertaining for those who love Math challenges!

## Challenge:

If 11 workers can build 11 cars in 11 days, then how many days would it take 7 workers to build 7 cars?

A- 7

B- 9

C- 11

D- 14

E- 18

### The Absolute Best Book to challenge your Smart Student!

If, 11 workers can build one car per day, then, one worker can make a car in 11 days. (Each worker can build $$\frac{1}{11}$$ of a car per day. So, it takes 11 days for a worker to make a car)