=100x10/100
=90
Formula
New price = (1+-- r) original price
Example
Aslam Paid 320Rs for a laptop after receiving 20% discount. what was the original price?
320 = (1-.20) x
320=.80x
320/.80 = .80x/.80
=400
If -13 is subtracted from -6 _____7______ is obtained.
Solution
Organize, develop and express your ideas on the following topic. 250-300 words (10 Marks)
“Child labour is a curse”
IB Paper 2019
