tolong bantu jawab soal ini
Matematika
ninku1
Pertanyaan
tolong bantu jawab soal ini
2 Jawaban
-
1. Jawaban Dyap
5J+ 6 T =650.000
8J + 3T = 710.000 baris 2 dikali 2
5J + 6T = 650.000
16J + 6T = 1.420.000 eliminasikan
-11J =- 770.000
J = 70.000
5J + 6T = 650.000
350.000 + 6t = 650.000
6T = 300.000
T = 50.000
4J + 3T = 280.000 + 150.000 = 430.000(C) -
2. Jawaban diyaaann2
celana jeans = x
t-shirts = y
5x+6y = 650.000 |×1
8x+3y = 710.000 |×2
5x+6y=650.000
16x+6y= 1.420.000
________________ -
-11x = -770.000
x = -770.000/-11
x = 70.000
5x +6y =650.000
(5×70.000)+6y = 650.000
6y = 650.000-350.000
6y = 300.000
y = 300.000/6
y = 50.000
maka
4 jeans + 3 tshirt =
(4×70.000)+(3×50.000)
280.000 + 150.000
430.000➡C
semoga membantu