3 years ago

Triangles and algebra :)

Mathematics

1 answer:

sleet_krkn [62]3 years ago

5 0

2x-2+x+3+x+11=180

4x+12=180

4x= 168

X= 45

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If cheese is $4.40 per kilogram, what should i pay for 200 grams

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1 kg is 1,000 grams.

200 grams are 1/5 of 1000 grams, that is 1/5 of 1 kg.

Thus 200 g= 1/5 kg = 0.2 kg.

1 kg of cheese is <span>$4.40,
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so 0.2 kg of cheese is $\displaystyle{ \frac{0.2kg \cdot \$4.40}{1kg}}=4.40 \cdot0.2 \$= 0.88\$$

Answer: $0.88

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