Solve for u.
-lul<-4
Write a compound inequality like 1 3. Use integers, proper
fractions, or improper fractions in simplest form.
u
and
or
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Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)