The owner increases the sale price by the same percent that you found in part a when buys jackets for $25 and sells them. How many jackets must the owner buy for the total jacket sales to be at least $260? Explain your answer.

is it 35

step-by-step explanation:

if you was gonna solve for a, a is a   < -12

explanation:

infrared radiation has wavelength in the range between 700 nm and 1 mm. lets' convert these values into scientific notation, keeping in mind that:

let's start from the lower value, we have:

(we moved the dot two places to the left, so we increased the exponent by 2 units, from -9 to -7)

the higher value is:

so, the range of wavelength of infrared radiation is: