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 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

What would I put for the digit valuenumber 601,099 in the ten thousand place+
The fastest a human has ever run is 27 miles per hour. How many miles per minute did the human run?
Can some one help me ??? Anyone ?
do you guys what's 5y/3=20
Twice as number decreased by 9 is 7
what is m/9 - 1 = -2 whats the answer & steps
do u guys know the answer for 4/5b=16
900 is 1/10 of what?
A carton can hold 1000 unit cubes that measure 1 inch by 1 inch by 1 inch. Describe the dimensions of the carton using unit cubes. Can you explain to me how to
What's the algebraic expression of "15 less than a number squared"?