3) Si se vende una casa en $ 68,400 y se gana el 20% sobre el precio de compra ¿ cuanto habría costado​

x/3-10=8

x/3=18

x=48

sinn is the total amount of students now and m were the students before, you subtract them both (n-m) and divide that by m. then, since to get a percentage from a fraction you have to multiply by 100, your answer should look like this: n-m/m*100

step-by-step explanation:

you just switch the numbers basically so it would be 3/17