In a particular month, Mr Lin spent $900 which was 30%

Berikut ini adalah pertanyaan dari jeceekk pada mata pelajaran Matematika untuk jenjang Sekolah Menengah Atas

In a particular month, Mr Lin spent $900 whichwas 30% of his monthly salary on food.
(a) Find his monthly salary.
(b) If he saved 12% of his monthly salary, find
his monthly savings.

Jawaban dan Penjelasan

Berikut ini adalah pilihan jawaban terbaik dari pertanyaan diatas.

let his monthly salary be x

given, Mr Lin spend 30%of his monthly salary on food that is x

also, it means that he spent 900 on food equal to 30% of x

according to the question,

a)

30/100×x = 900

3x/10 =900

x= 900×10/3

x= 3000

a)  his monthly salary is $3000

b) if he saved 12% of his monthly salary then his savings will be

12% of his monthly salary is 12% of 3000

therefore savings = 12/100×3000

or, 12/1 × 30

his savings is $ 360.

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Last Update: Wed, 31 May 23