Question

at a concert,$720 was collected for hot dogs, hamburgers and soft drinks.all three items sold for $1 each.twice as many hot dogs were sold as hamburgers.three times as many soft drinks were sold as hamburgers.what was the number of soft drinks sold?
help pls

Answer 1

@lucaz

Answer 2

hamburger=h, soft drink=s, hot=d
$1(h)+$1(s)+$1(d)=$720
d=2h, and s=3h, subsitute in the equation
h+3h+2h=720
6h=720
h=720/6=120
go back to s=3h and replace h by 120 to find number of soft drinks
s=3(120)=360

Answer 3

thank uu