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for every 12 people crossing the street, 7 of them used the pedestrian lane and the rest did not. if 48 people crossed the street, how many did not cross in the pedestrian lane?

Hi Steve, the choices of answers to this question are the following: a)28; b)24; c)36; d)41.

your solution below gave 20 which is NOT one of the choices. kindly help.

math - Steve, Thursday, November 19, 2015 at 11:52pm
7x+5x=48
x=4

5x=20

2 answers

Let's try a proportion.

5/12 = x/48

12x = 240

x = 20

Since neither Steve nor I got the same answer, I assume there's an error in your problem. Please check with your teacher.
for every 12 people crossing the street, 7 of them used the pedestrian lane and the rest did not. if 48 people crossed the street, how many did not cross in the pedestrian lane?