Suppose that the online retailer Amazon needs to use larger and larger cardboard boxes over time. One particular model of a tall cardboard box with a square base keeps being changed so that its volume increases by 80 cubic inches each year, while its height increases by 0.5 inches each year. What is the rate of change of the width of the box when the box has a height of 30 inches and a width of 20 inches? Show all of your work.

eve and marks ratios are equivalent

step-by-step explanation:

answer:

your answer is: c. 196 7/8 in^3.

the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b

answer: 12,000

step-by-step explanation: first you ar e supposed to add. then multiply then subtract