Changting electric power company's "ladder price" scheme (homework! Mathematical problems in stamps) - Training Enrollment Network

Changting electric power company's "ladder price" scheme (homework! Mathematical problems in stamps)

1), 200× 0.49+(300-200 )× 0.54 = 98+54 =152 yuan;

2),164.42-200× 0.49 =164.42-98 = 66.42 yuan;

? 66.42÷0.54= 123 degrees;

* * * Electricity consumption in April: 200+ 123=323 degrees.

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