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

The quotient of some number divided by 56 is 2. What is thenumber?

HELP PLEASE!!! U is the set of positive integers less than 18. G is the set of positive factors of 12. What is the complement of set G in universe U.

Please solve the attached problem and chose from the answers below.

WHY DO HUMAN RIGHT VIOLATIONS HAPPEN?

8/m-9=6/m-8What does m equal?Please show clear steps!

Water is considered a _______ resource. Oil, coal, and natural gas are considered _______ resources. _______ energy is able to be replaced within the ecosystem

There is a 20% chance of thunderstorms tomorrow. Describe the likelihood of the event. Please help asap! I need a clear answer for what to put in the answer box

Valerie used the distributive property to write an equivalent expression. What is Valerie's error? 12 + 32 = 4(1 + 10) O Valerie wrote two expressions that are

What was the primary motivation behind the Non Aligned Movement during the Cold War? O A. Countries without nuclear weapons hoped to protect themselves from nuc

NEED HELP IN NUMBER 12 and 13 PLEASEEEE