If f(6)=7 what is f(-2)
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<u>The interpreter attended </u><u>22 parent-teacher conference</u><u> and </u><u>5 school related assembly</u>
To solve this problem, we would write out two set of linear equations.
The data given on this problem are
- parent-teacher conference = $35.50
- school related assembly = $42
- The total number of engagements = 27
Let x represent the number of parent-teacher conference
let y represent the number of school related conference
<h3>Equations</h3><h3>From equation (i)
Put equation(iii) into equation (ii)
Put y = 5 into equation 1
From the above calculations, he attended 22 parent-teacher conference and 5 school related assembly.
Learn more on linear equations here;