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Answer:
606.75
Step-by-step explanation:
10% = 75
20% = 150
40% = 300
80% = 600
if we know that 10% is 75, then 1% is 0.75
(75 divided by 10)
0.75 x 9 = 6.75
80 % as mentioned is 600
9 % is 6.75
600 + 6.75 = 606.75
so she got 606.75