18% of 40 is 7.2
Change the percentage (18%) into a decimal by dividing it over 100:
18/100 = 0.18
Divide 7.2 by the decimal (0.18):
7.2 / 0.18 = 40
Ten times 45 is equal to 450
Answer:
(x+4)(x-3)
Step-by-step explanation:
I'm italian. I used a formula that we Italians call "somma e prodotto". Tell me if it's correct.
