Mariah is setting tile on the floors of her rectangular kitchen and square breakfast area. the diagram shows the dimensions of the 2 rooms. each tile covers 1 square foot. if each tile cost $1.29, how much will mariah pay to buy tile for both rooms?

at first,

area of breakfast area,

area of kitchen,

now, total area,

rate per square ft = $ 1.29

total cost ,

= $ 309.60

answer is B.

yes

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step-by-step explanation:

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