1. It is known that Rochelle made 8 hamburgers with 3 pounds of meat. She still needs to prepare 24 hamburgers for the neighborhood picnic. Then she needs ( ) pounds of meat.
(A) 6
(B) $6 \frac{2}{3}$
(C) $7 \frac{1}{2}$
(D) 8
(E) 9
1.E.
$$
\frac{3}{8} \times 24=9
$$