Question

a school ordered three large boxes of board markers after giving 15 markers to each of three teachers there were ninety X the diagram represents the situation how many markers were original in the

Answer 1

Determine the value of x.

`\begin{gathered} x-15+x-15+x-15=90 \\ 3x=90+45 \\ x=(135)/(3) \\ =45 \end{gathered}`

So there are 45 markers originally in each box.