# math

posted by
**Dustine** on
.

Lena is tiling a square ﬂoor with each

side 3 metres long. Tiles cost $45 per

square metre.

Which calculation gives the total cost of

tiling the ﬂoor (in dollars)?

posted by
**Dustine** on
.

Lena is tiling a square ﬂoor with each

side 3 metres long. Tiles cost $45 per

square metre.

Which calculation gives the total cost of

tiling the ﬂoor (in dollars)?