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Unilorin Post-UTME Mathematics 2014 (Model questions) Question 32

Question 32

Algebraic Expressions

If w donuts cost c cents, how many donuts can you get for d dollars?
Note: (1 dollar = 100 cents)

  1. A.dw/(100c)
  2. B.100dw/c
  3. C.100dw
  4. D.dw
Show the answer and explanation

Answer: B (100dw/c)

Explanation

d dollars = 100d cents, and each cent buys w/c donuts, so you get 100dw/c donuts.