Answer:
72
Step-by-step explanation:
It showed us the formula to solve it.
12x12 = 144
144 divided by 2 = 72
72 is the answer.
Hi,
Work:
Equation;

Factor out 2x from expression.

Use commutative property to reorder yc.

Hope this helps.
r3t40
Answer:
she purchased 6 first class tickets and 2 normal tickets
Step-by-step explanation:
$15 x .0725 = 1.0875 which we have to round to $1.09
Notice how I changed the 7.25% to a decimal .0725 by moving it back two places.