Marlon's earning is directly proportional to the number of hours he works. If he earns 210 dollars working 24 hours, he can earn_____
dollars in 4 hours?
![Marlons earning is directly proportional to the number of hours he works If he earns 210 dollars working 24 hours he can earn dollars in 4 hours class=](https://us-static.z-dn.net/files/d8c/df48ec3630df7c94dab2674cdb4eb3ae.png)