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Mkey [24]
3 years ago
10

Please I need help with this problem number 5????

Mathematics
1 answer:
zheka24 [161]3 years ago
3 0
Estimating the area:
x = (20 \times 8)(13 \times 8) \\  x = 264
Calculating wallpaper:
x = (264 \times 1.05) \div 35 \\ x = 7.92 \\ x = 8
we round up here because they will need a full roll to complete the room. Since they can't buy 7.92 rolls, they must buy 8.

Calculating cost:
x = 8(31.48) + 31.48(0.0825) \\  x = 254.44

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