Question

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Answer 1

Answer:

let the pocket moneys of Joan and Joyce be 10 x and 8x.

now,

according to question,

10x-8x=20

2x=20

x=10

so,

pocket money of Joan=10x=10x10=100

pocket money of Joyce=8x=8x10=80

Answer 2

Answer:

80 and 100 rupees respectively.

Step-by-step explanation:

Let pocket money of Joyce=Rs x

Therefore, pocket money of Joan= Rs [x+20]according to given conditions.

x+20x = 108⇒x+20x = 54⇒4x+80 = 5x⇒x = 80

Pocket money of Joyce=Rs80

Pocket money of Joan=Rs100