Question

A group of adults and students went on a class trip to Washington, DC. The number of male students was 1 more than 7 times the number of adults. The number of female students was half the number of male students. If the total number of people who went on the trip is 82, find the numbers of male students and female students.

Answer 1

Let the Number of Adults = X
Represent the number of male students in terms of x

Answer 2

@mnc1021

Answer 3

i dont understand
@CoconutJJ

Answer 4

"number of male students was 1 more than 7 times the number of adults" - How would you write this a expression.

Answer 5

7x+1 ?

Answer 6

GOOD!

Answer 7

"The number of female students was half the number of male students." - Now we have an expression for the number of male students, do the samething for female

Answer 8

is it 7x+1/2 ?

Answer 9

YAY!

Answer 10

"If the total number of people who went on the trip is 82"- We know the number of adults which is X and also have expressions for male and female... so what do we do now ?

Answer 11

this is where i am stuck, do i add them both together and them set it equal to 82?
i get stuck here

Answer 12

YAY!

Answer 13

would the equation look like this: 7x+1+7x+1/2=82

Answer 14

Where did the Adults go?

Answer 15

aren't they the x

Answer 16

yes, but they're not aliens... they're human.. better add them to the equation

Answer 17

haahaha i don't know where to put the x though

Answer 18

X+(1+7x)+(1+7x)/2

Answer 19

TA DA!

Answer 20

Can you solve for x given the other side is 82