Follow these guided instructions to solve the worded problem below.
a) Assign a variable (name your variable)
b) write expression/s using your assigned variable,
c) formulate your algebraic inequality
d) Solve the algebraic inequality
e) and state your answer.
Worded Inequality problem: Your math test scores are 68, 78, 90 and 91. What is the lowest score you can earn on the next test and still achieve an average of at least 85?