mr. chins hotel bill is $143 he leaves 12% as a tip for house keeping service what is the amount mr. chin leaves including the tip

The tip left is $17

Step-by-step explanation:

You move the invisible decimal in 143 two places to the left

143. ⇒ 1.43

then you multiply. 12 and 1.43

the product is. 1716

Lastly just move the decimal 2 places to the right and you end up with

$17.16