Answer:
12 minutes
Step-by-step explanation:
We need to find the total amount of work time to do the job
4 * 45 = 180 work minutes
We now get 15 assistants, so take the work time and divide by the assistants
180 / 15 =12
They will need 12 minutes
Answer:
hi your answer is in the image
a.
Friday:
Saturday:
b.
Divide both sides by 30:
Simplify the fraction:
(It is impossible to solve for specific values for x and y as seen in part c, so I'm not sure what the question is asking to solve for.)
c.
Substitute x = (91-2y)/3 in that equation (which is Saturday's equation)
Hence, there is an infinite amount of solutions for x and y.