Ansley44721 Ansley44721
  • 26-04-2018
  • Mathematics
contestada

Diego has 7 packs of markers. Each pack has x markers in it. After Lin gives him 9 more markers,he has a total of 30 markers

Respuesta :

carlosego
carlosego carlosego
  • 07-05-2018
For this case we must find:
 x = the number of marbles in a package.
 For this, according to the statement we have the following equation:
 7x + 9 = 30
 Clearing x we have:
 7x = 30-9
 x = 21/7
 x = 3 marbles
 Answer:
 
Each pack of marbles contains 3 marbles
Answer Link

Otras preguntas

(02.09 MC) Your community faces a challenging issue. Five different plans are identified to address the problem. You will serve on a volunteer committee to e re
Which of the following principles of a free enterprise system best explains why the businesses in an industry cannot maintain an artificially high price?
In triangle PQR, find the measure of angle Q. P= 64 degrees Q= X R= 2x
P(A)=0.34, P(B)=0.61, P(A and B)=0.05 P(BIA)
The graph shows two lines, A and B: Based on the graph, which statement is correct about the solution to the tC system of equations for lines A and B? O (3, 4)
The triangles in the diagram below are similar. Find the distance across Clarence Lake. ( Figure may not be drawn to scale)​
Identify the type of Internet writing most appropriate for this passage. Analyze the passage in terms of purpose, content, and tone, and explain how these contr
Which rational number is equivalent to 5.5?
If the nth term of a sequence is 11n+2 what is the 12th term
Given (x – 7)2 = 36, select the values of x.