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**.

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