Question

please solve the problems....​

Answer 1

Answer:

1) 145 will be cost of 15 books

2)40 km in 10minutes

I hope this will help you mark me as braillianest

Answer 2

Ans. 1 - cost of 20 books = ₹180

= cost of 1 book = ₹180/20 = ₹9

= cost of 15 books = 15x9 =₹ 135

Ans. 2 - speed of train = 100km/hr

time = 20 mins = 60 mins = 1 hr

= 20 mins = 20/60hr

= 1/3 hrs

= distance = speed x time

= distance = 100 x 1/3km

= distance = 33.33km

I hope this is right answer !!!