I will draw a place value chart on paper than write the numbers
$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.
Answer:
4/25=0.16=16%
3/11=0.27=27%
Step-by-step explanation:
Answer:
Step-by-step explanation:
Adding two rational numbers results in a positive sum.
12x-30 would be the accurate answer