4. If the wages of 12 workers for 5 days are $7500, how much will 17 workers earn for 6 days? 5. A citrus orchard has 180 orange trees. A fungus attacks the trees. Each month after the attack, the number of living trees is decreased by one- third. If x represents the time, in months, and y represents the number of living trees, describe the number of remaining orange trees remaining after 5 months?

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