Nilai rata-rata ujian suatu kelas adalah 75. Jika nilai rata-rata siswa putri dan siswa putra kelas tersebut berturut-turut adalah 77 dan 74,5 maka persentase jumlah siswa putra adalah...
Answer (4)
The greatest common factor of 40 and 44 is 4.
44 = 4 x 11
40 = 4 x 10
44 + 40 = (4 x 11) plus (4 x10) = 4 times (11+ 10)
The sum of the numbers 44 + 40 as the product of their **Greatest Common Factor **is: 2(22 + 20)
How to find the greatest common factor?
The **greatest common factor **(GCF) of a set of numbers is defined as the largest factor that all the numbers share.
For example, 12, 20, and 24 have two common factors : 2 and 4. The largest is 4, so we say that the GCF of 12, 20, and 24 is 4.
We have the sum as:
44 + 40
Factors of 44 are 1, 2, 4, 11, 22 and 44.
Factors of 40 are 1, 2, 4, 5, 8, 10, 20 and 40.
For 44, greatest is: 2 * 22
For 40, greatest is 2 * 20
Thus, we have:
44 + 40 = (2 * 22) + (2 * 20)
= 2(22 + 20)
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The greatest common factor of 44 and 40 is 4. The sum of these numbers can be expressed as the product of this GCF and the sum of their respective terms: 44 + 40 = 4 × 21. Therefore, the final expression is 4 times 21.
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Jawaban:80%Penjelasan dengan langkah-langkah:Putri = xPutra = yBagian75(x + y) = 77x + 74,5y75x + 75y = 77x + 74,5y75x - 77x = 74,5y - 75y2x = 0,5yy = 4xPerbandinganx : y= x : 4x= 1 : 4Persentase siswa putra[tex] \tt = \frac{4}{1 + 4} \times 100\%[/tex][tex] \tt = \frac{400}{5} \%[/tex]= 80%[tex]\boxed{ \red{ \boxed{\pink{\mathcal{M \frak{ ilana} \purple{ \tt01}}}}}} [/tex]
