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Solutions
9 Videos

One bicycle helmet costs $21.

a) Determine the cost of one to five helmets. Use a table and show your work.

b) Determine the cost of nine helmets. Use a pattern rule and show your work.

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Q1

a) Draw the next two pictures in this pattern. Explain the pattern rule you used.

b) Determine the number of squares in the 7th picture. Show your work.

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Q2

A potted plant costs $6.95 and one bunch of flowers costs $4.50. Which of the following is an expression for the cost of buying one bunch of flowers and p potted plants? Explain your answer.

**A** ` 6.95 + p`

x ` 4.50`

**B** `6.95 + 4.50`

**C** `4.50 + p`

x `6.95`

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Q3

To enter a team in a badminton competition costs $20 plus $5 for each player.

a) Determine the cost for one to four players to enter. Use a table of values and show your work.

b) Graph the cost to enter compared to the number of players who enter. Determine the cost for six players to enter, using your graph.

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Q4

On Sunju's 8th birthday her grandfather put $10 in a new bank account for her. Every year after that, he added $10 to the account twice a year. On her 12th birthday, her grandfather gave Sunju $50 instead of $10. How much was in her account after her 12th birthday?

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Q5

There are 8 teams in a bike relay race. Each team must race against each of the other teams once. How many races are needed?

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Q6

If the expressions are equal, replace the square with an equals sign. If they are not equal, change one expression to make them equal.

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Q7a

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Q7b

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Q7c