Question

Price of 30 books is $0.9. What is the
price of 100 such books?​

Answer 1

Answer:

Make me as a Brainlist pls.

Step-by-step explanation:

30 books = 0.9$

100 Books = x $

cross multiply we get

$30x = 0.9 \times 100 \\ = > x = \frac{90 \times 100}{10 \times30} = \frac{9000}{300} = 30 \\ = > x = 30$

so for 100 books it costs 100$