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 is the main source of energy
How did Oliver Cromwell maintain control of the Commonwealth?
What is the value of the expression below when y = 4 and z = 4 , 6y - 3z ? Please answer !!!!!!!!! Will mark Brianliest !!!!!!!!!!
Which of the following represents the prime factorization of 72?23 ∙ 3222 ∙ 3323 ∙ 32 ∙ 42 ∙ 32 ∙ 42plz help and fast​
x + 6 - 5 = 8 - 2 Thank you
Which line segment is drawn in the figure? YZ WY XZ WZ
what did the Annapolis Convention of 1786 failed to answer the needs of the nation?
CORRECT ANSWER GETS BRAINLIEST!! PLZ HELP
Question 14 (2 points) ✓ Saved The most concentrated source of alcohol is: 1) beer. . 2) liquor. 3) cider. 4) wine.
Solve for x: 3x − 5 = 2x + 6