If x people working together make a total of y dollars after an hour of work, how much money will z people make if they work 4 hours at the same rate per person ?

Question

a. 4xyz
b. xy + 4z
c. 4yz/x
d. 4xy/z
e. xyz/4

please answer and explain

Answer 1

The x people get paid at a rate of y/x dol/(hr*person) each

so, z people for 4 hours make

y/x dol/(hr*person) * (4 hour) * (z person) = 4yz/x dollars

or, (C)