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Marita has x dimes, 3 quarters, and y ten dollar bills. Which of the following expressions represents the total amount of money she has , in dollars ??

( A ) x/10 + 0.75 + 10y
( B ) x + y + 3(0.25)
( C ) 10/x + 75 + 10y
( D ) 10/x + 0.75 + 10y
( E ) 10x + 0.75 +10y

Respuesta :

sqdancefan
If Marita has one dime, she has 0.10 = 1/10 dollars. If she has "x" times that many dimes, she has 0.10x = x/10 dollars (in dimes).

The only answer choice containing this term is ...
  ( A ) x/10 + 0.75 + 10y

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