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

Affiliate marketing is _____. the practice of selling used products over the Internet the practice of selling products over the Internet based on bidding rather

How do you calculate 1/9 of 3/8?

9.6, –4.8, 2.4, –1.2, 0.6, ... f(n + 1) = –0.5f(n) f(n + 1) = 0.5f(n) f(n + 1) = f(0.5n) f(n + 1) = f(–0.5n)

What is the body of water that ispart of the Atlantic Ocean between Great Britian and the continent of Europe

If sin theta =0.3090, what is the approximate value of csc theta

Will someone answer these questions for me bkuz its for health and I cant answer them.

The equation X squared plus Y squared minus 2X plus 7Y +1 equals zero can be written as which of the following equations

Which expressions are equivalent? 3x + 5x and 8x 3(x + 4) and 3x + 12 a + b + a and 2a + b 18x + 2y and 15x + 3x + 2x 3a + 4a + 10 and 17a

Math Surface area Help

Help plzzzzzzzzzzzzz