Pinky bought four books. The average price of these books is rupees 200 ,what is the price of one of these book

50

Step-by-step explanation:

4 books = 200

1 book = x

Now do cross multiplicaton and divide:

1 x 200 ÷ 4

200 ÷ 4

50

4+n=5

step-by-step explanation:

this is because the four is four hours and the n represents the 1 extra hour over the weekend.

b= i'm srry i don't know that one.

4+n=5 n=1 because if vernon plays 5 hours a week then 4+1=5 hours.

hope this : )