Question:
A school conducted dental checks on its Primary 1 pupils from Monday to Thursday. Each pupil had his or her teeth checked on one of the four days. The table below shows the number of pupils who were checked on Monday, Tuesday and Wednesday.
(a) The number of pupils checked on Thursday was a 20% decrease from that checked on Wednesday. What was the number of pupils checked on Thursday?
(b) What was the percentage increase in the number of pupils checked on Tuesday compared to Monday?
Give your answer correct to 1 decimal place.
Solution:
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