Saturday, March 18, 2006
Question: Thirteen young punks went to a barbeque and the following are the breakdown of costs: -
Breakdown of Cost by Person:
Anne: SGD 8
Sherman: SGD 20
Dot: SGD 5.20
Wanqing: SGD 122
Further Breakdown of Cost by Item / Person (in SGD):
Wanqing
Pork Satay: 50 x $0.30 = $15
Stingray: 2kg x $7/kg = $14
Prawns: 2kg x $6.50/kg = $13
Sotong: 1kg x $7 = $7
Plastic Spoons: $1.25
Plastic Forks: $1.25
Tongs: $1.50x2 = $3
Aluminium Foil = $3.75
Charcoal: $4.54 x 2= $9.08
Wire Gauze: $4.50
Yeo's Ice Green Tea: $1.35 x 2= $2.70
Sprite: 2 x $1.40= $2.80
Coke: 2 x $1.40= $2.80
Apple Juice + Grape Juices = $4.65
Paper Plates ('50s)= $2.90
Peaches = 2.20 x 3 = $6.60
Fire Starters = $1.30
Cups = $1.80
Sambal Balachan = $2.14
Potatoes = $1.35 (for packet of 5) x 2=2.70
Japanese mushrooms = 6 x $1.30 = $7.80
Stupid Sausages = 8 pkts x $1.40 = 11.20
Total=$121.22
Anne
Chicken = $6
Mayo = $2.30
Total= $8.30
Sherman
ice
chopped garlic
aluminium foil
balachan chilli
crabstick
nuggets
Pokka green tea x 2
Sprite x 2
Coke x 2
Total=$20
Dorothy
Margarine
Ice
Total= $5.20
How much should each of them pay for their own share of food?
Model Answer:
Total costs / Number of people who ate and should pay
= SGD(121.22+8.30+5.20+20) / 13 people (namely:Me,Sherman,Liting,Waikeong, Liyi, Fong Guan, Qiuyi, Alice, Szejia, Leonard, Yun, Dorothy, Anne)
=$11.90153846
=$12 (rounded up to whole figure HAHA)
Ans: Each person has to pay $12 for their share of food.