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Jika anda sedang melihat jawaban atas soal Anna, Belle and Clara went to a 1 point
sports shop and bought similar
tennis pararnalia. Anna paid
$182 for 2 tennis rackets and 6
tennis balls. Bella paid $ 340 for
4 tennis rackets and 6 tennis
balls. If Clara bought 6 tennis
rackets, how much did she
pay? *
a. $ 474
b. $ 374
c. $ 574
d. $ 674 kamu berada di website yang tepat.
Kami ada 1 jawaban mengenai Anna, Belle and Clara went to a 1 point
sports shop and bought similar
tennis pararnalia. Anna paid
$182 for 2 tennis rackets and 6
tennis balls. Bella paid $ 340 for
4 tennis rackets and 6 tennis
balls. If Clara bought 6 tennis
rackets, how much did she
pay? *
a. $ 474
b. $ 374
c. $ 574
d. $ 674. Silakan baca jawaban selengkapnya disini:
Jawaban:
Assume
tennis racket = x
tennis ball = y
Given:
Anna bought:
2x + 6y = $182
Bella bought:
4x + 6y = $340
therefore each item price can be calculated.
2x + 6y = 182
4x + 6y = 340
y can be eliminated by subtracting first function with second function and therefore:
-2x = -158
x = 79
the price of a tennis racket is $79 so total amount of Clara's shopping is
6x = 6 x 79 = $474