I suggest you spend a little money and get a private tutor who can help figure out where you are going wrong. Running out of time answering ten math questions suggests your time management is the issue.
It also suggests that you should look at the SAT. Many regard SAT math as easier than ACT math. The reading section of the SAT is decidedly more difficult than the ACT reading, but there’s a lot more time.
Read this: Common sense tips to help raise your SAT/ACT score
Are you guilty of any of these time killers?