mrpjams7364 mrpjams7364

01-01-2018
Mathematics

contestada

If shane mailed out 40% of his holiday cards, and he still has 18 cards left to mail, how many total cards did he have to mail?

Respuesta :

mreijepatmat mreijepatmat

01-01-2018

Let x be the total number of holiday's cards:

1st, he mailed 40% of x → 0.4x
2nd, he still have 18 cards
3rd, x = 0.4x + 18 → x-0.4x = 18 → 0.6x = 18 and x = 18/0.6 → x = 30

Answer Link

Otras preguntas

HELPPPP!!!! WILLL GIVE BRAINLEST!!! It allows you to rent a car while yours is being repaired. a. auto replacement c. personal damage liability b. comprehensive

Why are white Americans less affected by toxic waste and air pollution than people of color? A.They tend to live in urban centers . B. They tend to vote in sm

Find the gradient of the line segment between the points (0,6) and (2,16).

1. What is the Federal Reserve (or the Fed)?2. What does the Federal Reserve do?3. Why is the Federal Reserve important?

Fill in the blank in the following sentence with the appropriate verb phrase below Este verano, nosotros O A. van a ir B. vamos de comprar C. vamos a ir O

what is consonant cluster?

Complete sentence for me it’s for geo

Josh is teaching michael how to be an effective speaker. what two general hints for effective informative speaking should josh share?

Is Dally from the outsiders a hero?

Why does Carnegie believe that mediocrity is not a path towards success?