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45%of 600+?%of480=390​

Answer»

45% of 600 is = 45/100*600 = 45*6 = 270

X% of 480 is added to 45% of 600 ie 270 to give 390

270 + x% of 480 = 390

x% of 480 = 120

x/100*480 = 120

x = 120/480 *100

x = 1/4*100

x = 25%


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