Question

Ravi and Kumar are working on an assignment Ravi takes 6 hours to type 32 pages on a computer while Kumar takes 5 hours to type 40 pages how much time will they take working together on two different computers to type an assignment of 110 pages​

Answer 1

Answer:

$8$hours$15$minutes

Step-by-step explanation:

⇒Ravi takes time to type the$32$ pages$=6$hours.

$=32/6=16/3$

⇒kumar takes time to type the$40$pages=$5$hours.

$=40/5=8$

Number of pages typed by both in one hour$=\frac{16}{3}+8\\ </p><p>=\frac{40}{3}$

Time taken by both to type $110$pages

$=110*3/40\\=8$hours$15$minutes