Respuesta:
1 USB cuesta 6 soles, mientras 1 Chip cuesta 4 soles
Explicación paso a paso:
u = USB
c = Chips
3u + 4c = 34
5u + 2c = 38
4c = 34 - 3u
c = 8.5 - 0.75u
5u + 2 ( 8.5 - 0.75u) = 38
5u + 17 - 1.5u = 38
5u - 1.5u = 38 - 17
3.5u = 21
u = 6
5 * 6 + 2c = 38
30 + 2c = 38
2c = 38 - 30
c = 8 / 2
c = 4
Comprobación:
3 * 6 + 4 * 4 = 34
18 + 16 = 34
5 * 6 + 2 * 4 = 38
30 + 8 = 38
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Respuesta:
1 USB cuesta 6 soles, mientras 1 Chip cuesta 4 soles
Explicación paso a paso:
u = USB
c = Chips
3u + 4c = 34
5u + 2c = 38
3u + 4c = 34
4c = 34 - 3u
c = 8.5 - 0.75u
5u + 2c = 38
5u + 2 ( 8.5 - 0.75u) = 38
5u + 17 - 1.5u = 38
5u - 1.5u = 38 - 17
3.5u = 21
u = 6
5u + 2c = 38
5 * 6 + 2c = 38
30 + 2c = 38
2c = 38 - 30
c = 8 / 2
c = 4
Comprobación:
3u + 4c = 34
3 * 6 + 4 * 4 = 34
18 + 16 = 34
5u + 2c = 38
5 * 6 + 2 * 4 = 38
30 + 8 = 38