2 crystal vases and 3 plates cost $ 1421. The cist of 1 plates is half tge cost of 1 vase. What is the cost of 1 vase?
Matematika
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Pertanyaan
2 crystal vases and 3 plates cost $ 1421. The cist of 1 plates is half tge cost of 1 vase. What is the cost of 1 vase?
1 Jawaban
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1. Jawaban RainRain
2 crystal vases = 2x
3 plates = 3y
y = ½x
2x + 3y = $1421
2x + 3(½) = $1421
2x + 1,5x = $1421
3,5x = $1421
X = $1421/3,5
X = $406