SAT/ACT Prep Practice Problems

SAT, ACT, New SAT, PSAT  and SAT Subject Test Practice Problems are provided for students of OptimalSATPrep.com and others.

A mixture Problem for SAT/ACT/PSAT Prep (Hard). Target Time. 30-45 seconds.

Salad Dressing I has 5 parts blue cheese and 8 parts olive oil and salad dressing II has 9 parts blue cheese and 4 parts olive oil. Cal took X cups of I and Y cups of II to cread a new salad dressing. If Cal's dressing has 6 parts blue cheese and 5 parts olive oil, what is the ratio of X:Y ? #SAT #ACT #PSAT.