Question
A package of 12 hex bolts and 10 anchor bolts weighs 7 pounds. A second package of 5 hex bolts and 15 anchor bolts weighs 4 pounds. A single hex bolt weighs ___________pounds, rounded to one decimal place.
Answers
Steve
12h+10a = 7
5h+15a = 4
...
5h+15a = 4
...
lolo
0.2