By rounding each number to 1 singnificant figure. estimate answers to: a.) 8.2×6.7/0.46
b.) 23.4x13.9/0.18

(need answers for b.)

thank you!​

Acoffee shop orders at most $3,500 worth of coffee and tea. the shop needs to make a profit of at least $1,900 on the order. the possible combinations of coffee and tea for this order are given by this system of inequalities, where c = pounds of coffee and t = pounds of tea: 6c + 13t ≤ 3,500 3.50c + 4t ≥ 1,900 which graph's shaded region represents the possible combinations of coffee and tea for this order?