Asked by Crystal

Please solve the inequality

.04 x + .06(12000-x) >= 650
Answered by Reiny
.04x + 720 - .06x ≥ 650
-.02x ≥ -70
x ≥ -70/-.02
x ≥ 3500
Answered by Crystal
Shouldn't the answer be less than or = to?
Answered by Reiny
yes, of course you are right.
When dividing by a negative we have to reverse the inequality sign.

Time for my third cup of coffee.
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