Question 411290
You need 30 tons of rock to cover the area. If each ton costs $60 and each tree is $84, what is the maximum number of trees you can buy with a budget of $2,500? 
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Inequality:
60*30 + 84x <= 8400
84x <= 6600
x <= 78.57..
Round down to x<= 78 trees
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Cheers,
Stan H.
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