Data task 56: A Victorian senior class applies the information to an energy-and-transport investigation. Solve 4x + 5 = 37.
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Subtract 5 and divide by 4; x=8.
Practice Victoria VCE Mathematics questions with answers and explanations.
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Subtract 5 and divide by 4; x=8.
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Increase=10/149×100=6.7%.
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24×105=2520.
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Sale price=478×(1−20/100)=382.4.
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Use combinations: C(11,6)=462.
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14×55=770.
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Sale price=468×(1−30/100)=327.6.
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Use combinations: C(13,6)=1716.
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161×1.29=207.69.
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The first share is 6/9 of 144, which is 96.
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Time=201/46=4.37 hours.
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The sum is 181; divide by 5 to get 36.2.