5. The area to be retiled is 172.5 m. Each tile covers 0.5 m and there...

  
 
 

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5. The area to be retiled is 172.5 m. Each tile covers 0.5 m and there are 10 tiles in a box. The installer orders 5% extra to account for breakage. How many boxes of tiles are needed for this job? [4 marks] 6. 37 boxes of tiles are needed. The tiles cost $29 per box. What is the cost of the tiles for this job? [2 marks] 7. The Ontario Hockey League (OHL) uses about 15,000 hockey pucks every season. If the rubber used to make the pucks costs $0.0049/cm, determine how much it costs the OHL in pucks each season. Pucks are 7.5 cm in diameter and 2.5 cm high. [4 marks] 8. A pond in the backyard is in the shape of a triangular prism with dimensions as shown in the following diagram, what is the volume of water needed to fill the pond? [3 marks] 22m 2.0 m 1.8 m 9. The volume of the pond is 3.96 m. A goldfish needs about 0.15 m of space to live in. Find the largest number of goldfish that could be 5. The area to be retiled is 172.5 m. Each tile covers 0.5 m and there are 10 tiles in a box. The installer orders 5% extra to account for breakage. How many boxes of tiles are needed for this job? [4 marks] 6. 37 boxes of tiles are needed. The tiles cost $29 per box. What is the cost of the tiles for this job? [2 marks] 7. The Ontario Hockey League (OHL) uses about 15,000 hockey pucks every season. If the rubber used to make the pucks costs $0.0049/cm, determine how much it costs the OHL in pucks each season. Pucks are 7.5 cm in diameter and 2.5 cm high. [4 marks] 8. A pond in the backyard is in the shape of a triangular prism with dimensions as shown in the following diagram, what is the volume of water needed to fill the pond? [3 marks] 22m 2.0 m 1.8 m 9. The volume of the pond is 3.96 m. A goldfish needs about 0.15 m of space to live in. Find the largest number of goldfish that could be