a bag contains purple marbles and red marbles, 27 in total. the number of purple marbles is 9 less than 2 times the number of red marbles. how many purple marbles are there?

There are 15 purple marbles.

Step-by-step explanation:

Given:

A bag contains purple marbles and red marbles, 27 in total.

The number of purple marbles is 9 less than 2 times the number of red marbles.

Now, to find the number of purple marbles.

Let the number of red marbles be

And the number of purple marbles be

Total marbles = 27.

According to question:

⇒

⇒

Adding both sides by 9 we get:

⇒

Dividing both sides by 3 we get:

⇒

So, to get the number of purple marbles we put the value of :

Therefore, there are 15 purple marbles.                        

answer: what is the conflict?

step-by-step explanation:

*what has happened to new york city?

*what is in the time capsule?

* what did the kidz see that gave them hope?

*what will they do with what they find?

* how will they save the city?

* what challenges will they face along the way?

*what big choice will they make at the climax of the story?

* what lesson do they learn at the end of the story?

180°

step-by-step explanation:

sum of equilateral triangle=180°

< n=60°

< m=120°°[angle supplementary of equilateral angle]

< m+< r+< x=360°(sum of exterior angle of triangle)