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Maths Puzzle
Numerical Ability
If the total bill at a restaurant, including a 15% tip, is
$65.32, what was the cost of the meal alone?
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Factor:
a(y + 1)-b(y + 1)
I need some clarification on the zero-factor theorem.
I am to solve using the zero-factor theorem the following equation:
1. g^2-3g-18=0 I tried setiing up as g^2-3=0 and -18=0 this did not make sense to me.
and 2. 16d^2=4