Name: SAT Math Help & School Math Mastery
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While exploring a cave Carl comes across a collection of $7$ -pound rocks worth $20 $e a c h,$ 3 $- p o u n d roc k s w or t h $8$ each, and $1$ -pound rocks worth $2 $e a c h . T h ere a re a tl e a s t$ 20 $o f e a c h s i ze . Hec an c a rry a t m os t$ 22 $p o u n d s . Wha t i s t h e ma x im u m v a l u e, in d o ll a rs, o f t h eroc k s h ec an c a rryo u t o f t h ec a v e ?$