Your restaurant bill came to $42. You want to leave a 20% tip. Determine the amount of tip.

$8.40

Step-by-step explanation:

$42 * 0.2 = 8.4

S = 380 - 380*80%

Step-by-step explanation:

Given:

So, the new price of the desk after discounting is:

380(100% - 20%)

= 380*80%

= 304$

The amount of money saved: 380 - 304 = 76$

Hence, the equation can be used to determine the amount of money saved is:

Saving = 380 - 380*80%

Hope it will find you well.