Which expression can be used to find the retail price of an item that was bought at wholesale for $112 and sold at a 40% markup? $112 + 4($112)
$112 – 4($112)
$112 – 0.40($112)
$112 + 0.40($112)

450 is the final answer! : )

step-by-step explanation:

1. practice, practice & more practice

2. review errors

3. master the key concepts

do not try to memorise the processes.

4. understand your doubts.

5. create a distraction free study environment

6. create a mathematical dictionary

7. apply maths to real world problems.

step-by-step explanation:

the answer is b. 60. each interior angle in 120, so the exterior angle must be 60 in order to add up to 180

step-by-step explanation: