Joe used 2 piggy banks to save money – Piggy

Berikut ini adalah pertanyaan dari putrinadya7817 pada mata pelajaran Matematika untuk jenjang Sekolah Menengah Pertama

Joe used 2 piggy banks to save money – Piggy Bank A for toys and Piggy Bank B for books. The ratio of the money in Piggy Bank A to Piggy Bank B was 7 : 9. There was $612 in Piggy Bank B. Without removing any money from Piggy Bank B, how much money must Joe put into Piggy Bank A such that they have an equal amount of money in them?.

Jawaban dan Penjelasan

Berikut ini adalah pilihan jawaban terbaik dari pertanyaan diatas.

Direct proportion is a mathematical comparison between two numbers where the ratio of the two numbers is equal to a constant value. Joe must put $476 into Piggy Bank A so Piggy Bank A and Piggy Bank B have an equal amount of money.

Penjelasan dengan langkah-langkah

Rumus

\frac{A}{B} = \frac{MA}{MB}

Keterangan:

A = ratio Piggy Bank A

B = ratio Piggy Bank B

MA = money in Piggy Bank A

MB = money in Piggy Bank B

Diketahui :

  • Ratio of the money in Piggy Bank A to Piggy Bank B was 7 : 9
  • There was $612 in Piggy Bank B

Ditanya : how much money must Joe put into Piggy Bank A?

Jawab :

Langkah 1 Memasukkan Nilai yang Telah Diketahui ke Dalam Rumus

Ratio Piggy Bank A to Piggy Bank B = 7 : 9 dapat ditulis dengan \frac{7}{9}.

\frac{A}{B} = \frac{MA}{MB}\\ \frac{7}{9} = \frac{MA}{612}

Langkah 2 Menyelesaikan Operasi Hitung

\frac{A}{B} = \frac{MA}{MB}\\ \frac{7}{9} = \frac{MA}{612} \\MA = \frac{7}{9} . 612\\ MA = 476

So, Joe must put $476 into Piggy Bank A to have an equal amount of money in Piggy Bank A and Piggy Bank B.

Pelajari Lebih Lanjut

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Last Update: Mon, 29 Aug 22