Answer:
454.68
Step-by-step explanation: so this is how u do it......
Step 1) you need to turn the pursent into this kind of number ( 70% = 0.07)
Step 2)your need to subtract from the couch price (425$ - 0.07= 424.93)
Step 3) 424.93 is the sale price so 0.07 times 424.93 = ( 29.7451)
Step 4) 29.7451 is our tax price so ( tax + sale price ) 29.7451 + 424.93 = 454.6751
Step 5) round to the nerest cent = 454.68