How do i use gcf with this problem?

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.

Tony has 7/8 of a candy bar he wants to split the bar into servings that are 3/10 of the bar how many servings can he make. step by step? ?

Jessie sorted the coins in her bank she made 7 stacks or 6 dimes and 8 stacks of 5 nickels she then found 1 dime and 1 nickel how many dimes and nickels dose jessie have in all?