Respuesta :

60% discount on $129.50 stereo is:

[tex]\frac{60}{100}\times129.50=\text{ \$}77.7[/tex]

This implies that $77.7 has been taken off from the actual price.

Hence, the new sale price this month is:

[tex]129.50-77.7=\text{ \$51.8}[/tex]