Question 125278
5x+10(300-x)=2350
5x+3000-10x=2350
-5x=2350-3000
-5x=-650
x=-650/-5
x=130 THE NUMBER OF5 gram bolts in the jar.
300-130=170 THE NUMBER OF 10 gram bolts in the jar.
proof
5*130+10*170=2350
650+1700=2350
2350=2350