Perhatikan diagram lingkaran data penjualan aksesoris komputer di Toko Mulia ! Jika penjualan seluruhnya 160 unit dan perbandingan penjual mouse dan keyboard 3 : 4 maka banyak mouse yang terjual adalah...... A. 20 B. 24 C.26 D. 28
DB45
Mouse : keybord = 3: 4 misal penjualan mouse = 3x % dam keybord 4x %
misal penjualan mouse = 3x % dam keybord 4x %
Tinta = 90°= 90/360 x 100% = 25%
Monitor = 22%
Speaker = 18%
Mouse = 3x %
Keyboard = 4%
jumlah seluruh = 100%
(25+22+18+ 3x+ 4x)% = (100)%
65 + 7x = 100
7x = 35
x = 5
% mouse = 3x = 3(5) = 15%
banyak penjualan mouse = 15% x 160 unit = 24 unit