Ada yang bisa bantu soal ini ? thq sebelumnya

Let the allowance is x

so, x = 80 + ²/₅(x – 80) + ¹/₃.x

x = 80 + ²/₅.x – 32 + ¹/₃.x

x = 48 + ¹¹/₁₅.x

⁴/₁₅.x = 48

x = (48)(¹⁵/₄)

Kenny's allowance is $180

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