someone please help me in algebra??

Question

ltrout · Answer

I can try! what do you need help with?

peace420 · Answer

In the Kite Club, there are a total of 23 kids. There are 7 more girls than boys. Write two equations and graph to find the number of girls in the club.

	8 girls
	18 girls
	6 girls
	15 girls

misty1212 · Answer

we can do this by guessing

ltrout · Answer

The answer is 15 girls.

misty1212 · Answer

16 and  7 give 23, but 16 is not 7 more than 7
try 15 and 8

ltrout · Answer

23-15 = 8 boys. And 8 boys + 7 = 15 girls :)

misty1212 · Answer

$$15+8=23\
15-8=7$$so 15girls 8 boys

jango_in_dtown · Answer

Suppose the number of boys is x, Then the number of girls by the given question is 7+x
hence x+(7+x)=23 implies 2x=16 implies x=8 implies 7+x=15
hence the number of girls is 15

peace420 · Answer

both of your explanations totally fit thank you @misty1212  @itrout

peace420 · Answer

and @jango_IN_DTOWN

peace420 · Answer

would someone like to help me with another one?

peace420 · Answer

:)

ltrout · Answer

Sure @Peace420 !

peace420 · Answer

Three times x is 13 less than y. The sum of x and two times y is 12. Write two equations and graph to find the value of y.

	y = -2
	y = 2
	y = -7
	y = 7

ltrout · Answer

y = 3x + 13 and y= 1/2x + 6  would be the two equations. And I'm confused about "graph to find the value of y"?

peace420 · Answer

hmmm i dont know either

jango_in_dtown · Answer

HI may I help?

jango_in_dtown · Answer

@Peace420