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
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Answered by
0
Answer:
according to me.... answer is....A
Answered by
1
Answer:
my answer is also a
Step-by-step explanation:
if it is correct please mark me brainliest
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