(greater than or equal to) 16
A. x ≤ 5
B. x ≥ 5
C. x ≥ 32½
D. x ≤ 32½
how do you determine the answer?
thanks!
its a. x≤5
20-4/5x≥16
subtract 20 from both sides
-4/5x≥-4
divide both sides by -4/5, which is the same as multiplying it by -5/4 (the reciprocal of -4/5)
remember when u divide both sides by a negative number u have to flip the sign
you get x≤5
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Verified answer
its a. x≤5
20-4/5x≥16
subtract 20 from both sides
-4/5x≥-4
divide both sides by -4/5, which is the same as multiplying it by -5/4 (the reciprocal of -4/5)
remember when u divide both sides by a negative number u have to flip the sign
you get x≤5