Question

Vanitha can type a file in 10hrs.her friend joins after 3hrs.together they work for 4hrs to complete the file.how many hours would her friend take to type the file alone?
A. 13 1/3 hrs
B. 12 1/5 hrs
C. 11 1/2 hrs
D. 10 1/7 hrs​

Answer 1

Answer:

according to me.... answer is....A

Answer 2

Answer:

my answer is also a

Step-by-step explanation:

if it is correct please mark me brainliest