Given:
Consider the discount percent and SP are given.
To find:
The MP.
Solution:
Let x% be the discount percent Then




Multiply both sides by 100.

Divide both sides by
.

Therefore, the formula for MP is
, where x is the discount percentage.
Answer:
You cross multiply to solve for a variable. You cross multiply when given a proportion.
Answer:
Step-by-step explanation:
Just plug in 20 for t:

1/3 has the greatest value