Answer:75%
Step-by-step explanation:
Answer:
100/$80 = 1.25
1.25 x $60 = 75%
Billy would have spent 75% of his money
7 units
I think
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The range of f(x) = x + 5 is the set {0, 10}.
Therefore
x + 5 = 0 and x + 5 = 10
x = -5 and x = 5