Answer:
He worked for 3 hours.
Step-by-step explanation:
you can solve this by muiltipling the amount of hours by the kilograms done in an hour.
2n-5=21
add 5 to both sides
2n=26
divide both sides by 2
n=13
I hope I helped! :)
the cost is proportional to the number of people because a constant value 9.50 exists where each measure of the number of people multiplied by this constant gives the corresponding measure in y
For a week that he works he would earn $480.70
----- Hope This Helps
