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31. Wendy paid $768 to tile her rectangular kitchen floor 6 m long and 4 m
wide
. What was the cost of
tiling per square metre?


Sagot :

To determine the cost of tiling per square metre for Wendy's kitchen floor, let's follow these steps:

1. Determine the area of the kitchen floor:
The kitchen floor is rectangular with a length of 6 meters and a width of 4 meters. To find the area of the rectangle, you multiply the length by the width:
[tex]\[ \text{Area} = \text{Length} \times \text{Width} \][/tex]
Substituting the given dimensions:
[tex]\[ \text{Area} = 6 \, \text{m} \times 4 \, \text{m} = 24 \, \text{square metres} \][/tex]

2. Determine the total cost of tiling:
Wendy paid [tex]$768 to tile the entire kitchen floor. 3. Calculate the cost per square metre: To find the cost of tiling per square metre, you divide the total cost by the area of the floor: \[ \text{Cost per square metre} = \frac{\text{Total cost}}{\text{Area}} \] Substituting the known values: \[ \text{Cost per square metre} = \frac{768 \, \text{dollars}}{24 \, \text{square metres}} = 32 \, \text{dollars per square metre} \] Therefore, the cost of tiling per square metre for Wendy's kitchen floor is $[/tex]32.