Asked by Ishaya Garnvwa

A ruler cost Y kobo, an eraser is 5 kobo less than thrice the ruler.Find the cost if the ruler and eraser.
Answered by Damon
r = Y
e = 3 r - 5
or
e = 3 Y - 5
You better know Y
Answered by henry2,
Ruler cost Y kobo.
Eraser cost 3y - 5 kobo.
Total cost = y + 3y-5 = 4y-5.
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