Try these ACT Algebra Sample Problems, Answers below. 1. If A+B=7 and A-B=5 and A+B+C=10, what is the value of C. 2. Solve for y when 8.8y-4=7.7y+7 3. What is ratio of P to R if P+Q=R and P+R=2Q? 4. If 6x+3=15, what is 12x-3 equal to? 5. What is the ratio of n to m[…]