Answer:
$3
Step-by-step explanation:
Original price - Discounted price
= $15 - ($15 × 80%)
= $15 - ($15 × 80/100)
= $15 - ($1200/100)
= $15 - $12
= <u>$</u><u>3</u>
So, the sale price is $3
<em>Hope it helps and is useful</em><em> </em><em>:</em><em>)</em>
1838265625
Scientific calculator
m=-4
you are subtracting all the numbers by 4 therefore they are all changing by -4