Fundamental Operations on Quantities with Different Units
Mr. johnson w...
Question
Mr. johnson was to earn Pounds300 and a free holiday for seven weeks work He worked for only 4 weeks and earned Pounds30 and a free holiday was the value of the holiday?
A
Pounds 300
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B
Pounds 330
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C
Pounds 360
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D
Pounds 420
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Solution
The correct option is B Pounds 330 Let the value of the holiday be x. Then, pay for seven weeks' work =pounds300+x. So, 300+x7×4=30+x⇔1200+4x=210+7x ⇔3x=990⇔x=330