Group 17. They combine with alkali metals and form salt, the are reactive, they have 7 electrons in their outer energy level
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Answer:
B several
Step-by-step explanation:
The solutions are where the graphs intersect
It appears there are 3 points of intersection
Given the choices
It is more than one and less than infinite
Step-by-step explanation:
let George money will be X and Albert be Y
30$+x=y
x-50$=5y
30+x=y
x=y-30
(y-30)-50=5y
y-80=5y
y-5y=80
-4y=80
y=-20
x=-50