The question type below deals with "P4 before and after" comparison models.
As both parties are subtracting the same amount,
As both parties are subtracting the same amount,
the difference between the 2 parties remains the same. (Constant Difference)
Such questions often appear in P4 exam papers in Section C.
Students may find this question "here" to be similar to the ones below.
Lily has 110 more postcards than Kelly at first. After both girls gave away the same number of postcards, Lily has 6 times as many postcards remaining as Kelly.
How many postcards did Kelly have at the end?
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| The earliest known picture postcard was designed and mailed out from London, England |
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.