Respuesta :

0.4 * x = 68
x = 68/0.4
x = 170

check:

0.4 * 170 = 68
penfila11Pen
0.40% of a number is 68
40% of n = 68

40% = [tex] \frac{40}{100} [/tex] = 0.4

0.4 × n = 68

[tex] \frac{0.4n}{0.4} [/tex] = [tex] \frac{68}{0.4} [/tex]
n = 170

40% of 170 is 68