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gracehommrich gracehommrich
  • 25-06-2015
  • Mathematics
Answered

A class of 30 students ate 9 pizzas. How many pizzas would be needed for 40 students?


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Verified Answer :

Anonymous Anonymous
  • 25-06-2015

\(\begin{array}{ccc}30\ students&-&9\ pizzas\\\\40\ students&-&x\ pizzas\end{array}\ \ \ \ |cross\ multiply\\\\\\30\cdot x=40\cdot9\\30x=360\ \ \ \ \ |divide\ both\ sides\ by\ 30\\\boxed{x=12}\leftarrow answer\)

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AhmetÖzkan1907
AhmetÖzkan1907 AhmetÖzkan1907
  • 25-06-2015

Your answer is in the attachment ...

Good Luck .

View image AhmetÖzkan1907
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