if tiles cost $1.15 per square feet , how much would cost to tile aa rectangular room that is 13 feet by 15 feet ?

$224.25

you first have to find the area of the room, so the total square feet on the inside, then take that number and multiply by the amount per square foot m
13x15=195 (total sq ft of the room)
195 x 1.15 = 224.25

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