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唔識做數, 幫幫手 (20點呀喂)
發問:
The tax for Australian residents who earn a taxable income between $20 700 an $38 000 is $3060 plus 34 cents for every dollar earned over $20700.a.Write a rule for the tax payable, $T, for a taxable income, $x, where 20701
最佳解答:
a) T = 3060 + (0.34)(x-20700) because the tax (T) = $3060 plus $0.34(34cents) for 'every $1 over $20700', which is x-20700 solve the right side of the equation: T = 3060 + 0.34x - (0.34)(20700) T = 0.34x + 3060 - 7038 T = 0.34x -3978 b) Sub x=32000 into the equation above to find the tax T T = (0.34)(32000) - 3978 = $6902
其他解答:
a.Write a rule for the tax payable, $T, for a taxable income, $x, where 20701
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