+11912 Which single discount will be equal to two successive discounts of 20% and 10% ?
pls make it soo easy I have no idea about this!
OK, let's assume that you startd with $100.
The first discount of 20% is $20, leaving you with $80.
The next discount of 10% (of $80) is $8, for a total discount of $28.
This could have been achieved with one discount of 28%
+128474 Let's look at it this way, rosala....
Something costs $1 but you have a 20% discount.....so 20% of $1 is .20
So far....we would pay ...... $1 - .20 = .80
Now....let's apply the second discount.....this is 10% of .80
And 10% of .80 = .08
So.....this means that we get .08 off of .80 = .80 - .08 = .72
Now, notice that the total discount is .20 + .08 = .28.......which is just 28% of one dollar
So....we got a total discount of 28%
Does that help??
+11912 It does but... How do I write it in the exam! I can't write it in an explaining way.... I will have to write it in. A practical way!
