Problem-solving with fractions
Terry tried to run across Canada. His weekly budget was $750, and he planned on spending the money on the following
Gas/fuel: ¼ Food: 1/5 Hotel: 1/3 Clothing: The rest
Calculate how much Terry spent on each item. Show your work.
Gas/fuel: $750 x ¼ = (750 x 1)/4 = $187.50
Food: ans, $150, (750 x 1)/3 = $150
Hotel: ans $250, (750 x 1)/3 = $250
Clothing : 162.50, 750 – 187.50 – 150 – 250 = 162.50 (easy way)
1 (whole budget) – ¼ (gas) – 1/5 (food – 1/3 (hotel)
Common denominator for 4, 5, and 3 = 60
¼ = 15/60 (gas), 1/5 = 12/60 (food), 1/3 = 20/60 (hotel)
60/60 – 15/60 – 12/60 – 20/60 = (60-15-12-20)/60 = 13/60 (the rest)
The rest 750 x 13/60 = (750 x 13)/60 = 162.50
Mini Kwok wants to go to Disney’s World and his budget is $1500 for the week
Air tickets ¼, 375
Theme Park 2/5, (1500 x 2)/5 = 600
Food 1/8, 187.50
Hotel 1/3, 500
Gifts The rest,
he does not have enough money! He overspent by 162.50 on tickets, theme park, food and hotel
No comments:
Post a Comment