50% because you first subtract the original price from the new price so 126-84 equals 42 then you divide that by the original price 84 which will give you .5 which turns to 50%
The correct way is to plug in the answer back into the equation and see if it results in the correct solution.
Hello there!
The would be a (right angle) because this angle is not greater than, or less than 90°.
Your correct answer would be the first option. (right angle).
32/28 divide top and bottom by 4 =8/7
=1 1/7
