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baddinlol

  • 3 years ago

Trinh has a part-time job at the local service station, where he is entitled to a staff discount of 10% on petrol and 15% on food and drink. On a particular day she buys 20L of petrol, which sells for 153.4 cents per liter, and a can of coke and a packet of chips, which cost him $2.50 cents and $3.05 respectively. How much was her bill, after discount, for that day?

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  1. baddinlol
    • 3 years ago
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    I keep getting $32.33 as the answer

  2. baddinlol
    • 3 years ago
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    But the solutions say the answer is $21.64

  3. monokerous
    • 3 years ago
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    Weird. I got the same answer too.

  4. baddinlol
    • 3 years ago
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    I think the book has the wrong answer

  5. vikrantg4
    • 3 years ago
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    happens ometimes

  6. monokerous
    • 3 years ago
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    ^yup.

  7. baddinlol
    • 3 years ago
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    Thanks !!

  8. vikrantg4
    • 3 years ago
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    what's the value of cent in dollars by the way ? :P

  9. baddinlol
    • 3 years ago
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    1$ = 100cents

  10. vikrantg4
    • 3 years ago
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    btw my answer is around $28

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