Jerry has a stack of coloured paper. 5 of the

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

Jerry has a stack of coloured paper. 5 of the sheets of paper are blue. 8 30% of the remaining sheets of paper are pink. The other 84 sheets of paper are green. How many sheets of paper are in the stack altogether?​
Jerry has a stack of coloured paper. 5 of the sheets of paper are blue. 8 30% of the remaining sheets of paper are pink. The other 84 sheets of paper are green. How many sheets of paper are in the stack altogether?​

Jawaban dan Penjelasan

Berikut ini adalah pilihan jawaban terbaik dari pertanyaan diatas.

Jawaban:

97 sheets of paper

Penjelasan dengan langkah-langkah:

Let's start by finding the number of pink sheets:

Jerry has 5 blue sheets.

The remaining sheets are (total - blue) = (x - 5) sheets.

30% of the remaining sheets are pink, so the number of pink sheets is 0.3(x - 5).

We can write this as an equation:

0.3(x - 5) = 8

Solving for x:

0.3x - 1.5 = 8

0.3x = 9.5

x = 31.67 (rounded to 32)

So Jerry has a total of x sheets of paper, which is approximately 32.

Now we can check our work:

Jerry has 5 blue sheets.

The remaining sheets are (32 - 5) = 27 sheets.

30% of the remaining sheets are pink, which is 0.3 * 27 = 8.1 (rounded to 8) sheets.

The other 84 sheets are green.

Altogether, Jerry has 5 + 8 + 84 = 97 sheets of paper.

Therefore, there are 97 sheets of paper in the stack altogether.

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Last Update: Wed, 31 May 23