Asked by mackenzie
Write an expression for the number of miles that Chris walked and an expression for the amount of money that Chris collected in pledges.
Chris walked 5 miles less than twice the number of miles that Lacey walked. The students will collect $18 in pledges for every mile they walked.
Chris collected $450
Chris walked 25 miles
Lacy walked 45 miles
Is this correct?
Chris walked 5 miles less than twice the number of miles that Lacey walked. The students will collect $18 in pledges for every mile they walked.
Chris collected $450
Chris walked 25 miles
Lacy walked 45 miles
Is this correct?
Answers
Answered by
Damon
You did not give me all the information so I can not solve.
No, that is not correct. If Lacey walked 45 miles then Chris walked 90 - 5 = 85 miles so whatever the problem really is, you have it wrong.
Is " Chris collected $450" a given ?????
If so I can solve it.
C = 2 L - 5
Cpledges = 18 C = 18 (2 L - 5)
total collected = 18 (C + L)
No, that is not correct. If Lacey walked 45 miles then Chris walked 90 - 5 = 85 miles so whatever the problem really is, you have it wrong.
Is " Chris collected $450" a given ?????
If so I can solve it.
C = 2 L - 5
Cpledges = 18 C = 18 (2 L - 5)
total collected = 18 (C + L)
Answered by
mackenzie
Thanks Damon. Yes, Chris collected $450 is a given. So if Chris collected $450, he walked 25 miles, correct.
I'm having a hard time calculating the miles Lacy walked.
I'm having a hard time calculating the miles Lacy walked.
Answered by
Damon
450 = 18 C
so
C = 25 miles yes
C = 2 L - 5
30 = 2 L
L = 15 miles
so
C = 25 miles yes
C = 2 L - 5
30 = 2 L
L = 15 miles
Answered by
Damon
so total collected = 18(C+L) =18(40) = 720
which I assume is the next question.
which I assume is the next question.
Answered by
mackenzie
How did you get 30?
Answered by
Damon
C = 2 L - 5
25 = 2 L - 5
add 5 to both sides
30 = 2 L
L = 15
25 = 2 L - 5
add 5 to both sides
30 = 2 L
L = 15
Answered by
mackenzie
Thanks:)
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