$76:X
100%:68% (that’s 100-32)
68/100=0.68
0.68x76=51.68
X=51.68
I’m not good at explaining things with words so here’s a simpler version of the concept
2:X
100%:50%
50/100=0.5
0.5x2=1
2:1
100%:50%
Btw once u fully understand ratios they will save ur *ss in chem especially