2 parties "Before and After" comparison questions are staple section C questions in P4 exams.
The following question is a type of "One Party Changed" question.
Such questions are similar to the ones here.
Such questions are similar to the ones here.
But this version poses a slight challenge when students attempt to solve it via model drawing (comparison models).
Chris has 40 more erasers than Devi at first.
After Devi bought 4 more erasers,
Chris now has 5 times as many erasers as Devi.
How many erasers did Devi have at first?
If the above question is easy, try to do the more challenging question below.
The question below will randomize with different numbers every hour.
Copy below question down before making attempt.
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