Problem-Solving 8

 The Swiss consume more chocolate per capita than any other nation on Earth. That is 22.4pounds each, compared to 11.6 pounds per person in the United States. The average person in Britain eats 8.6 kg of chocolate per year.

One kg = 2.2 pounds

Who eats more chocolate on average: British people orAmerican people?

Explain your answer using words or numbers.

 Write a story problem that you could solve using the following:

20.00 - (26 x 0.10 + 26 x 0.15)

 A new high tech company creates a new software, it brings in money to get

them out of debt and leaves them with $350 000. The company puts out a

second software but it starts to lose money at a rate of $15 350 per day for

two whole weeks. What will their financial statement look like at the end of

the two weeks?

 Andy had 60 baseball cards, he gave 5 to a friend and shared the rest with

his brother equally. Which of the following expressions will correctly tell you

howmany cards Andy has left?Show the proof.

(i) 60 – 5 2 (ii) 60  2 - 5

(iii) (60 – 5)  2(iv) 60 – (5 2)

Scott was visiting a friend in Newfoundland (NFLD). He bought a baseball

cap with the local hockey team logo. It was $39.99. In NFLD there is one

sales tax, 17%.

a)How much did he pay for the cap?

b)How much would he have paid for the cap in Quebec?

 Gina goes to a restaurant and orderstwo hot dogs that cost $1.75 each, a medium French fry at $2.25 and a drink at $1.00, plus 4 cookies for $0.50. If Gina has $25, how much money will she have left after she pays for her meal? She leaves a 15% tip on the table. What was the amount of the tip?

The Smiths won $6230 in last week’s lottery. Scott gets 24% of it; Anne

gets 0.225 of it, Beth gets of it, and Harvey gets the rest. How much

money does each person get?

 You need a new bike for the summer.

The one that you really want costs $255.55 plus the taxes.

Your parents will contribute 30% of the cost. How much more money do

you need to save up?

 Scott ran the 10km race in a time of 51:18 minutes, Harvey took 48:52 minutes, and Colleen passed the finish line at 55:01? What’s the difference between times for all three runners? Compare the times in as many ways as you can.

 Colleen’s cottage is 21 km away from Wendy’s cottage. There is a 8km

pathway through the woods, then a wooden bridge across a lake that’s

1.2 km long, and the rest of the way is up a little hill. To get to Wendy’s

cottage, how many kilometres must Colleen walk up the hill?