In 2015, the price of a business math text rose to $150. this is 8% more than the 2014 price. what was the old selling price?

old selling priceof businesss math text rose = $138.89

Explanation:

In year 2015, Price of business math text rose = $150

Suppose privious price (year 2014)= x dollars

Previous price is 8% less than the price in 2015 because given that $150 is 8% more than previous year price.

Now write the linear equation for the given information:

x + 8% of x = 150

Solve for x

x + x = 150

x + 0.08x = 150

1.08x = 150

divide 1.08 both the side

x =

x = $138.89

Old selling price = $138.89

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation:

its an acute right triangle

step-by-step explanation: