Answer:
Total teachers = 150
Step-by-step explanation:
Let total teachers = x
12% of x = 18
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3/4=90/x multiply both sides by x
3x/4=90 multiply both sides by 4
3x=360 divide both sides by 3
x=120
5(7x - 15) + 2x ≥ 13x - 3 <em>multiplied both sides by 2 to clear the denominator</em>
35x - 75 + 2x ≥ 13 x - 3 <em>distributed 5 into 7x-15</em>
37x - 75 ≥ 13x - 3 <em>added like terms (35x and 2x)</em>
24x - 75 ≥ -3 <em>subtracted 13x from both sides</em>
24x ≥ 72 <em>added 75 to both sides</em>
x ≥ 3 <em>divided both sides by 24</em>
Answer: x ≥ 3 Notation: [3, ∞)
Answer:
its between 45 and thirty I think its 45
Step-by-step explanation:
I did a similar problem.