Answer:
Miss Yours will have 104 boxes of marker in total.
Step-by-step explanation:
Given:
Miss yours has 20 boxes of markers.
Next year she wants to buy 420[tex]\%[/tex] more boxes = [tex]420 \% \ \times \ \textrm{Number of boxes she has}= \frac {420}{100}\times 20=84 \ boxes[/tex]
∴ Total number of boxes = Number of boxes she had + 420[tex]\%[/tex] boxes
∴ Total number of boxes = [tex]20+84= 104[/tex]
