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

why is Frank Lloyd Wright famous

I need help with these

Help me please thank you

who can tell me how today politics is different from the past?

Why do electrons enter the 4s orbital before entering the 3D orbital

Which of the following could result from a substance that undergoes a physical change? A. It changes irreversibly. B. It undergoes phase change

In the diagram above, what will happen if the government sets the price for rent at Point B? The price of rent will rise to meet equilibrium. The price of ren

8 gallons is equal to how many pints?

When you are actively listening to someone, which of the following can be most helpful in making sure you understood the message? A. Paraphrasing B. Taking note

The people of every industrialized nation of the world in the 1900s believe it’s civilization and culture to be the best True or false