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

Given f(x)=3x-4 and g(x)=-2x+7 evaluate f(f(3))

What is a sales lead? A. A person in a company's marketing department who communicates with sales people B. A potential customer who has shown interest in the c

Central Asia is boarded by ______ in the noth and ________ in the east. A. Russia. . . China B. The Caspian Sea. . . China C. The Caspian Sea. . . Russia D.

Which statements are true about pottery made by ancient Chinese, Minoan, and Anasazi civilizations? Choose all answers that are correct. A. Spiral designs

A satellite in deep space is on a mission to Neptune. It fires its engines to change its velocity toward Neptune at a speed of 200 kilometers per hour. Suddenl

You can add a new slide to a presentation by

Where do the heaviest elements in our solar system come from?

Omg it’s aggravating me so much lol can somebody help me

what are 2 pull and 2 push factors of why people migrate ?

Why do you multiply the tax and the money 3.38 aren’t you supposed to add