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There were 100 pizzas sold at Brooklyn's pizzeria on Monday. A large pizza costs $16 and a small pizza costs $11. If $1550 worth of pizzas were sold in all, how many small pizzas were sold?

 Jun 2, 2021
 #1
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Let  x  be  the  number of small pizzas sold    .....then  100 - x =  the number of large pizzas sold

 

So

 

11x  +  16 ( 100 - x)   = 1550          simplify

 

11x    +  1600   -  16x   =  1550

 

11x - 16x   =   1550  -  1600

 

-5x  = -50

 

x = -50 / -5   =    10 small pzzas sold

 

 

cool cool cool

 Jun 2, 2021

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