Practice problem
Ley yyy vary inversely with xxx and directly with zzz. If y=3y=3y=3 when x=−5x=-5x=−5 and z=1z=1z=1, what is yyy when x=−2x=-2x=−2 and z=−4z=-4z=−4?
−15-15−15
−35\frac{-3}{5}5−3
−310\frac{-3}{10}10−3
−30-30−30
Type a concept, like “slope” or “photosynthesis”.
