Algebra
posted by
Crystal on
.
Please solve the inequality
.04 x + .06(12000x) >= 650

Algebra 
Reiny,
.04x + 720  .06x ≥ 650
.02x ≥ 70
x ≥ 70/.02
x ≥ 3500

Algebra 
Crystal,
Shouldn't the answer be less than or = to?

Algebra 
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.