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Mrs. Ani works in milk company. She gets salary every

Berikut ini adalah pertanyaan dari nyzenthic pada mata pelajaran Matematika untuk jenjang Sekolah Menengah Pertama

Mrs. Ani works in milk company. She gets salary every month. 20% of hersalary is used for school fee for her 3 children, 10 % from the rest of her
salary is used to buy shoes for her 3 children. Now her salary is still Rp.
1800000 How much money does Mrs. Ani get every month ?

Jawaban dan Penjelasan

Berikut ini adalah pilihan jawaban terbaik dari pertanyaan diatas.

Jawaban:

Mrs. Ani gets Rp 2500000 every month.

Penjelasan dengan langkah-langkah:

Mrs. Ani's total salary every month = s

School fee = 20% × s = (1/5)s

At this point, the remainder of her salary equals to: s - (1/5)s = (4/5)s

Used to buy shoes 10% of it, so the remainder is

= (100-10)% × (4/5)s

= 90% × (4/5)s

= (9/10) × (4/5)s

= (18/25)s

That amount equals to 1800000, so:

(18/25)s = 1800000

18s = 25 ×1800000

s = 25 × 100000 = 2500000

Conclusion: Mrs. Ani gets Rp 2500000 every month.

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Last Update: Fri, 21 Jan 22
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