A certain spider web is 4 micrometers thick. A fiber in a shirt is 1 hundred-thousandth of a meter thick. Which is wider, the spider web or the fiber?

Can you me find the missing length. i attached an image.

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )

Alex's monthly take home pay is $2,500. what is the maximum bad debt payment he can maintain without being in credit overload?