With a party of 6 or larger a restaurant adds a 20% gratuity (tip), multiply it by the bill by 0.20.
A restaurant bill was $56.30. Calculate the tip.
PLS ANSWER

part a: 1.08

part b: 27.59

$119.20

step-by-step explanation:

$372.50 - 60% off is $149. $149-20% off is $119.20

answer:   expression= p+p*d%

price reduction + sale price = $625

sale price: $p+$p*d%

where d% is the percentage of discount

step-by-step explanation:

original price = p

price went down by $150 price reduction $p*d%

sale price= $ 475

therefore the price before sale is: $625

and the expression that shows the price before sale is: p+p*d%