Find the measure of the segment

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

3x = 729 solve for x plz . it's urgent. will mark

Two farmers pay a total rent of $140 for a pasture. the first farmer placed $4 oxen in the pasture, and the second farmer placed $30 sheep in the pasture. the farmers split the rent based on the proportion of the pasture eaten by their own animals that month. how much should the first farmer pay, if 1 ox eats as much as 10 sheep in a month?