4. You are taking a typing class and can now type 30 words per minute. a. Set up a proportion to solve for the amount of time it would take you to type 400 words.

b. Solve the proportion in part (a).

c. Set up a proportion to solve for the number of words you could type in 10 minutes.

d. Solve the proportion in part (c).

b). 4320 have a nice day

the argument of alfred t. mahan, henry cabot lodge, and albert j. beveridge was the economically and mass production the the americans could not consume themselves. this led expansion to sell to other foreign nations for profits.

step-by-step explanation:

this is my explanation

7x7=4 so if u carry the 9 it will be 33