Data task 9: A Victorian senior class applies the information to an energy-and-transport investigation. An item priced at $428 is discounted by 10%. What is the sale price?
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Sale price=428×(1−10/100)=385.2.
Practice vic-vce questions with answers and explanations.
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Sale price=428×(1−10/100)=385.2.
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Use combinations: C(9,6)=84.
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121×1.27=153.67.
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The first share is 10/23 of 322, which is 140.
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Time=481/43=11.19 hours.
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The sum is 400; divide by 5 to get 80.0.
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Probability equals favourable outcomes divided by total outcomes.
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111×1.07=118.77.
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The first share is 11/20 of 460, which is 253.
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Time=461/70=6.59 hours.
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The sum is 250; divide by 5 to get 50.0.
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Probability equals favourable outcomes divided by total outcomes.