12 workers take 4 hours to complete a job. How long would it take 15 workers to complete the job?

3.2 hours

Step-by-step explanation:

12 workers * 4 hours = 48 worker hours

15 workers  * x hours = 48 worker hours

48 /15 =3.2 hours

3 hours and 12 minutes.

Step-by-step explanation:

12 Workers complete a job in 4 hours

1 worker complete a job 12 × 4 = 48

15 workers complete a job = 48/15 = 3³/¹⁵ = 3¹/⁵

= 3 hours + 1/5 × 60  minutes = 3 hours 12 minutes.

answer: c

(2, -4)

goes 7 to the

(9, 4)

easy

d.) yes, because the volume of the cone is greater than the volume of the sphere

step-by-step explanation: