gr7

gr7

Monday 25 May 2015

May25

Real-life Math Problem
With a partner, attempt it without the use of a calculator!!!!

Problem #1
In 1997 John bought a used car with 28,643 kilometers.  He sold the car in 2014 with 90,782 kilometers. 
During his years of ownership, how many kilometers did he average per year?

Problem #2
John bought a used car for $4,250.00   He invested $1,750.00 into fixing it up.  When he flips it, he wants to get back the money invested into it plus a 75% profit.  What price will he list the car for?

Problem #3
John gutted his rectangular kitchen that measures 8’ x 14’.  He plans to lay a ceramic floor using square tiles measuring 13’ x 13’ each.  1 box of tiles will cover 18 square feet.  How many boxes and/or tiles will he need approximately?  If you allow 10% for waste (mistakes made when cutting) how many extra boxes should he buy?

Problem #4
You and your sibling decide to move out.  You manage to buy a house 50/50 that costs $539 900.  It will need $22 500 worth of renovations. How much will it cost each sibling?  You have a separate side entrance and decide to rent out a portion of the basement for $850/month.  How much income will you make per year on the rental?  How many years will you have to rent the basement for to pay back 25% of the house?

Problem #5
You and your 2 friends embark on a business partnership.  You decide to buy a Tim Horton franchise for $435,879.  How much $ is each partner responsible for if it’s split evenly 3 ways?

Problem #6
1kg (1,000gr) of espresso coffee whole beans costs $20.  The majority of the time, baristas pull a double shot of espresso that requires 14 grams of coffee.  If the barista is super careful not to waste his ground coffee when preparing espresso for his customers, about how many shots could he pull from that 1kg bag?  If he charges $1.95/shot, how much revenue could he generate from that 1kg?