Ninaninaninanina Ninaninaninanina

01-03-2018
Mathematics

contestada

An author is paid $500 as an advance on their book plus an additional $4 for every book sold. If the author earns $880, how many books has he or she sold?

Respuesta :

01-03-2018

x will stand for every extra book sold

880 = 4x + 500
subtract 500 from both sides

380 = 4x
divide both sides by 4

x = 95
they sold 95 books

Answer Link

Otras preguntas

Simplify. sin x cot x Use algebra and the fundamental trigonometric identities. Your answer should be a number or use a single trigonometric function. (pl

Engineers mainly concentrate on ____.a. creating new ideas (such as designing hydrogen-powered automobiles)b. modifying existing ideas (such as designing a fast

Find the limit, if it exists. (If an answer does not exist, enter DNE.) lim (x, y, z)→(7, 0, 2) e−xysin π z 4

Which statements are true based on the diagram? Check all that apply. Points A, B, and D are on both planes. Point H is not on plane R. Plane P contains point

Habakkuk prophesied in Israel prior to the Assyrian invasion and warned that the Lord would send the Assyrians to punish the people in Samaria. A. True B. False

Which is 5.348 closer to, 5.3 or 5.4?

Help please!! Thank you

Chen is baking muffins and banana bread for a brunch buffet. He needs 3 and one-fifth cups of flour to make the muffins and 3 and two-thirds cups of flour to ma

answer it answer it answer it.

Find the median of the data in the dot plot below.