Question

the number of persons needed to do a job varies directly as the amount of work to be done and inversely as the time in which the work or job is done. if five students can type 280 page in 2 days, how many students will be needed to type 2100 pages in 3 days?

Answer 1

Answer:

Step 1

280/2=140/5=28

Step 2

2100/3=700

Step 3

700/28=25 students

Answer 2

Answer:

Step-by-step explanation:

if 5 students = 280pages in 2 days

then x students = 2100 pags in 3 days  

thats means $\frac{2100*5}{280}$=  37 students in 3 days