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There were 445 pupils in Hall A and 279

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

There were 445 pupils in Hall A and 279 pupils in Hall B. A teacher transferred some pupils from Hall A to Hall B so that both halls had an equal number of pupils. How many pupils were there in each hall after the transfer? step by step​

Jawaban dan Penjelasan

Berikut ini adalah pilihan jawaban terbaik dari pertanyaan diatas.

Jawaban:

83

Penjelasan dengan langkah-langkah:

for this question, we first need to know how many pupils should be in one hall so that halls A and B have an equal number of pupils. this could be done by finding the mean (average) of the 2. here's how it goes:

→ (445+279)/2

→ 724/2

→ 362

now that we know the mean number of pupils in the halls, we subtract the number of pupils in hall A by the average. here's how they go:

445-362=83

so the answer is 83. hope that helps :D

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Last Update: Sat, 19 Nov 22
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