Pierre, John, Perry and Jenson paid a total of $252 for a souvenir. Jenson paid ¹₂ of what the rest paid. Pierre paid 40% of what the rest paid. John and Perry paid an equal amount of money. How much did Perry pay?

Pierre	John	Perry	Jenson	Total
2x7			1x7	3x7
2x3	5x3			7x3
	1	1
6 u	4 u	4 u	7 u	21 u

40%= ⁴⁰₁₀₀= ²₅
Pierre's share : Total share = 2 : 5

The total amount paid for the souvenir is repeated.  Make the total amount the same.  LCM of 3 and 7 is 21.

Amount that John, Perry and Jenson paid = 15 u

Amount that John and Perry paid
= 15 u - 7 u
= 8 u

The amount that John and Perry each paid is the same.

Amount that John and Perry each paid
= 8 u ÷ 2
= 4 u

Cost of the souvenir = 21 u

21 u = 252

1 u = 252 ÷ 21 = 12

Amount that Perry paid
= 4 u
= 4 x 12
= $48

Answer(s): $48