1.
(6.50 - 6.25)/6.25 = 0.04 x 100 = 4%
(50000 - 36000)/50000 = 0.28 x 100 = 28%
(51 - 48)/48 = 0,0625 x 100 = 6.25%
(32.2 - 28)/28 = 0.15 = 15%
2.
Si se descuenta 21%, se paga 100 - 21 = 79%
El precio será 87 x 79/100 = S/. 68.73
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Verified answer
1.
(6.50 - 6.25)/6.25 = 0.04 x 100 = 4%
(50000 - 36000)/50000 = 0.28 x 100 = 28%
(51 - 48)/48 = 0,0625 x 100 = 6.25%
(32.2 - 28)/28 = 0.15 = 15%
2.
Si se descuenta 21%, se paga 100 - 21 = 79%
El precio será 87 x 79/100 = S/. 68.73