Question

Anna, Laura and David each earn the same monthly salary.
Each month, Anna saves 19 percent of her salary and spends the rest of it.
Laura spends 17/20 of her salary and saves the rest of it.
Amount of salary David saves : amount of salary he spends =2:8.
Work out who saves the most of their salary each month.
Show how you got your answer.

Answer 1

Solution :-

→ Anna saves = 19% or her salary = 19% = (19/100) of her salary.

→ Laura saves = 1 - (17/20) = (3/20) of her salary .

→ David saves = (2/8+2) = (2/10) = (1/5) of his salary m

so,

→ (19/100) , (3/20) , (1/5)

making denominator same,

→ (19/100) , (3*5/20*5) , (1*20/5*20)

→ (19/100), (15/100) , (20/100)

since,

→ 20 > 19 > 15 .

then,

→ (20/100) > (19/100) > (15/100)

therefore,

→ David saving > Anna saving > Laura saving .

Hence, David saves most of their salary each month. .

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