Answer:
$28
Step-by-step explanation:
To find the amount he has left, we subtract:
45-17 = 28
100 + 100 * 10/100 = 110
NOW 110 INCREASES BY 10 %, 110 + 110*10/100 = 110+ 11 = 121
INCREASE OF 20 % = 100 + 100*20/100= 100+20 = 120
SO IT IS NOT SAME
Let x be the original price of the object.
After the 40% discount, the price of the object now becomes;
x-0.4x=0.6x
0.6x is our new price after the first discount.
Now if we want to find the price after the second discount, (5%)
That would come off to be;
0.6x-0.6(0.05)x=0.6x-0.03x=0.57x
Our last price is 0.57x
If you notice, there was a 43% discount in total, as it goes to 57% of its original price.
This is very non intuitive for some people, as they may think there will be a 45% discount.
B is where the line crosses the y axis
