Respuesta:
1. x = 500 × 90 / 1000 = $ 45
2. x = 1200 x 90 / 1000 = $ 108
3. x = 1000/4 = 250 × 3 = 750 × 90/1000 = 675/10 = $ 67.5
4 x = 1 1/2 = 1500 × 90 / 1000 = $ 135
5 x = 3100 × 90 / 1000 = $ 279
Explicación paso a paso:
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Verified answer
Respuesta:
1. x = 500 × 90 / 1000 = $ 45
2. x = 1200 x 90 / 1000 = $ 108
3. x = 1000/4 = 250 × 3 = 750 × 90/1000 = 675/10 = $ 67.5
4 x = 1 1/2 = 1500 × 90 / 1000 = $ 135
5 x = 3100 × 90 / 1000 = $ 279
Explicación paso a paso: