I don't know how you expand it but the answer is 3x + 25 unless that's expanding.
Answer:
Move 100 to the left of a
100
a
List of all of the solutions
ax100=100a
12= 100a
You would add up the percentages first, which would bring everything up to 35%. You would then take the original cost of the item, which is $30 and multiple it by the 35%.
The equation would look like...
30 x .35 =
This will give you $10.50, which isn't the final answer.
You would then subtract 10.50 from the $30 that was asked for at the beginning by the retailer.
Your final answer is $19.50. :) Which isn't a bad deal if I say so myself.
Answer:
The answer is in my photos.
