Answer:
answer is 3.144
Step-by-step explanation:
Answer:
seven hundred and twenty nine
Step-by-step explanation:
Yes they are equivalent. You get -3 when you try solving the actual equation.
$1.40 - price from a supplier = 100%
100% + 80% = 180% = 1,8 - the retail price
1,40 * 1,8 = $2,52 - the retail price
100% - 25% = 75% = 0,75 - on sale for 25% off
2,52 * 0,75 = $1,89 - the sale price.
They probably thought square rotting was dividing by 2. The correct answer is about 20