P5P6 Math: Value and Multiples and Differences

This is a question type that will provide 4 of the listed information below for 2 different items of different quantities,

  1. Total value of 2 items

  2. Difference between 2 item's totals

  3. Unit Difference between 2 items

  4. Multiples of 1 item compared with another 

Similar questions using ratio to represent the multiples can also be found here and here.

Such questions are common in Paper 2 of P5 and P6 exams.
Calculator usage is allowed

Samy bought thrice as many books as pens.
He spent a total of $3850 on all the books and pens.
Each book cost $5 more than each pen.
He paid $2030 more for all the books than for all the pens.

How many books did Samy buy?



If the above question is easy, try to do the more challenging question below. 

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