1. In January, Wal-Mart charged $64 for a bicycle after a 20% discount. What was the original cost of the bicycle?

51.2

Step-by-step explanation:

im pretty sure its 51.2

The answer is 76.8

Step-by-step explanation:

When you add 20% to 64 dollars you get 76.80

costs the what? what is the cost of the pants?

step-by-step explanation:

if it is $10, then the price is 14.

take 40% of the cost, and then add the cost.

40% of 10 = 4

4+10 = 14.

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: