Math

A trapezoidal mural with bases 11m and 9m and height 6m needs to be painted. What is the cost of painting it if a box of paint in any color is $16 and with each box can be painted area of 12m2.

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  1. the area is the average of the bases, multiplied by the height

    divide the area by 12 to find the number of boxes needed

    remember to round up to the next WHOLE number, if necessary

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