Step-by-step explanation:
she took the 2X and substract 4X-2X
the answer will be 2X=402
I believe that is Algeria .
Answer:
48 - 40 = $8, there is a $8 dollar increase.
Formula for change of percentage;
changed price
___________ x 100% (100/100)
original amount
Replace those values with the values we found;
40/48 x 100/100 = 20% increase.
Well four plus seven would equal seven tenths.