Problema Solution
the height of a plant at the end of a month is 26cm. if its height is has increased by 30% since the beginning of the month,find its height at the beggning of the month
Answer provided by our tutors
let 'x' represent the height of the plant at the beginning of the month, then 'x + 0.3x' represents its height at the end of the month and we have:
26 = x + 0.3x
solving for 'x' we have x=20
the height at the beginning of the month was 20cm