100 Facts Weather- Hurricanes, Tornadoes, Blizzards, Educational Projects, Fun Activities, Qui

100 Facts Weather- Hurricanes, Tornadoes, Blizzards, Educational Projects, Fun Activities, Qui

Matematika Tolong Di Jawab Pakai Jalan, Terima Kasih​

Tolong Di Jawab Pakai Jalan, Terima Kasih​

Jawab:

SPLDV

x =banyak karcis 15.000
y= banyak karcis 20.000

i)  jumlah penonton = 200
x +  y = 200

ii)  hasil penjualan  karcis
15.000 x +  20.000 y =  3.475.000
atau   3x +  4y = 695

a) model mat
x +  y = 200  ,  

3x +  4y = 695

b)  nilai x dan  y
eliminasi
x + y = 200 . . . .  (X 4)

3x + 4y = 695

. .

4x + 4y = 800
3x + 4y = 695 __(-)
x = 105


x  + y =200
y = 200-105
x=  95

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