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# "For Math Lovers" Tricky Challenges (3)?

Bernt takes his mother to a restaurant for Mother’s Day Brunch. They can select as much food as they want from the buffet for a cost of $15.00 each or they can order from the ala carte menu and pay for each item separately.

Ala Carte

Orange Juice

Toast

Cereal

2 Eggs

Bacon

Fruit

Potatoes

Cost

$1.50

$1.75

$1.50

$2.00

$1.75

$1.50

$1.50

Bernt orders the buffet and his mother orders one of each item from the ala carte menu. There is a 6% sales tax and a 15% service fee, both of which are based solely on the price of the food. What is the amount of the total bill including the tax and service fee?

### 4 Answers

- Doctor QLv 61 decade agoFavorite Answer
So we know Brent spent $15

His mother spends-:

$1.5 + $1.75 + $ 1.5 + $2 + $1.75 + $1.5 + $ 1.5 = $11.50

Total Spend = $26.50

Sales Tax = $26.50 x 0.06 = $1.59

15% Service Fee = $26.50 x 0.15 = $3.975

Grand Total = $26.50 + $1.59 + $3.975 = $32.065

But money is always rounded up to the nearest cent, so

$32.065 rounded up is $32.07

Answer $32.07

- detektibgapoLv 51 decade ago
Bernt's order

15 + (15 x 6%) + (15 x 15%) =

15 + 0.90 + 2.25 =

$18.15

Bernt's mother order

11.50 + (11.50 x 6%) + (11.50 x 15%) =

11.50 + .69 + 1.725 =

$ 13.915

Total : 18.15 + 13.915 = 32.065

or $ 32.07 ==> total amount of bill