-2 and 5 (just put in a graphing calculator and find the zeros)
Answer:
Division. The niece can divide both sides of the equation by 19 to find the answer.
Let me know if this helps!
Original Price = $42
Discount = 25% ---------> 25% is discount because it says 25% <span><u />off!!!</span>
Now,
Sale price = original price - discount % of original price
= 42 - 25% of 42
= 42 - (25/100) * 42
= 42 - 0.25 * 42
= 42 - 10.5
= 31.5
So, the sale price is $31.5
The graph is shown below.