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posted by Lizzie .
Evaluate the following expression when a = 7 and b = − 3.

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drwls
There is no following expression. How can we evealuate it?
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8000 x .69+ 2000 x 1.09 + 4000 x .99 + 1000 x 1.19 + 2000 x 1.09 = 8000 x .69 = 5520 + 2000 =7520 7520 x 1.09 = 8196.80 8196.80 + 4000 = 12196.80 12196.80 x.99 = ok this what I have so far I need to show all of my work 
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8000 x .69+ 2000 x 1.09 + 4000 x .99 + 1000 x 1.19 + 2000 x 1.09 = 8000 x .69 = 5520 + 2000 =7520 7520 x 1.09 = 8196.80 8196.80 + 4000 = 12196.80 12196.80 x.99 = 12074.832 12074.832 +1000=13074.32 13074.32 x1.19 = 15559.05 15559.05+ … 
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