Dacă x, y, z, t sunt numere naturale cu proprietatea că xyz=20xyz=20, zt=21zt=21, xt=210xt=210. Atunci suma x+y+z+tx+y+z+t este:

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.