The time, t, in hours, that it takes x people to plant n trees varies directly with the number of trees, and inversely with the number of people. suppose 6 people can plant 12 trees in 3 hours. how many people are needed to plant 28 trees in 5 hours and 15 minutes?

Answer this question only if you know the answer! 30 points and

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?

Problem situation: caren is making rice and beans. she can spend no more than $10 on ingredients. she buys one bag of rice for $4.99. beans cost $0.74 per pound. how many pounds of beans, x, can she buy? inequality that represents this situation: 10≥4.99+0.74x drag each number to show if it is a solution to both the inequality and the problem situation, to the inequality only, or if it is not a solution.