How many watt-hours of electricity does Mrs. Smitha#39;s refrigerator use in 1 hr.? 2. If the motor of the refrigerator runs 8 hr. out of every 24 hr., how many watt-hours of electricity are used each day? 3. How many watt-hours are there in 1 KWHanbsp;...

Title | : | General Mathematics |

Author | : | Mary Potter, Hildegarde R. Beck |

Publisher | : | - 1945 |

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