Question

An agricultural farm-supply store regularly sells a piece of equipment for $75.99 but at a sale to reduce inventory they have reduced the price to $53.99. What is the percentage decrease of the sale price from the regular price? (solution is rounded to nearest whole number using regular rounding rules).

Answer 1

The price decreased in a 29%

Step-by-step explanation:

For solving this problem we need to use a rule of three so imagine that the regular price ($75.99) represent a 100% because it is the total and represents the case for our calculations. Now we need to calculate which percentage does $53.99 represent for this we do a rule of three.

$75.99 --> 100%

$53.99 --> X (percentage that the new sell represents)

For solving this rule we have:

`X = (100*53.99)/(75.99)` = 71%

This is the percentage that the new price represent, so to calculate the percentage decrease we should substract the total (100%) from the percentage the new price represent (71%) then we have:

Percentage decrease = 100% - 71% = 29%