bhandariasmita055
bhandariasmita055 bhandariasmita055
  • 05-01-2021
  • Mathematics
contestada

Group C
(4 x 6 = 2
17. If the cost of 8 book is Rs 520, find the cost of 10 books.​

Respuesta :

saikamalvk
saikamalvk saikamalvk
  • 05-01-2021

cost of 8 books = 520 AED

we can do this using direct proportion

8/520 , 10/x

(cross multiply

= 8x = 520 x 10

= 8 x 5200

x = 5200/8

x =  650 AED

therfore,

cost of 10 books is 650.

Answer Link

Otras preguntas

What effect did the Revenue Act of 1926 have on Americans?
How did king james 1 important to the survival of the Jamestown settlers
The moon is about 240,000 miles from Earth period what is the distance written as a whole number multiplied by a power of 10
7.20 7.2 greater equal or less
What is the GCF of 32 and 48
What is the GCF of 32 and 48
Two trains leave the station at the same time, one heading East and the other heading West. The westbound train is going 60mph. The eastbound train is going 80m
how to write 0.632 in wordform please show an example
What's the square root of 98
The fastest a human has ever run is 27 miles per hour. How many miles per minute did the human run?