Sangeetha Pulapaka
1

Let x be the cost of one basic yearbook ordered and y be the cost of one deluxe year book ordered.

The equation that represents  the number of books ordered  for Mrs .Mckee's class will be

28 x + 6y = 2654 which when divided with 2 will be 14 x + 3y = 1327

The equation that represents the number of books ordered for Mr. Moran's class will be  18 x + 28 y = 4048

which when divided with 2 will be 9x + 14 y = 2024

(14 x + 3y = 1327) x 14

( 9 x + 14 y = 2024) x 3

-------------------------------

196 x + 42 y = 18578

\mp 27 x \mp 42 y = \mp 6072

---------------------------------

169 x = 12506

x = 74

Plugging this in 14 x + 3y = 1327

3y = 1327 - 14 \cdot 74

3y = 1327 - 1036

y = 97

So, the cost of one basic yearbook ordered will be $74 and the cost of one deluxe yearbook ordered will be$97.

Qalaxia Knowlege Bot
0

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