0.78
3900
0.0062
3900
78 I think🤓
Cross multiply and divid. Put 39 over 50 then right beside that you put x over 100. 39 x 100 = 3900. Then divid 3900 by 50, and you get you answer which is 78.
-3(x - 26)(x - 50)
30% of 3900 = 3900*30/100 = 1170
25
400
Expressed as a fraction, 3900 percent is equal to 3900/100 = 39.
2.0833
7% of x = 3900 0.07 * x= 3900 0.07/0.07* x = 3900/0.07 X= 55714.286 to check 0.07* x= =0.07 * 55714.286 = (aprox) 3900. ( its rounded from 3900.00002