Answer:
see below
Explanation:
3% * 400 = 3/100 * 400 = 3*4 =12
30% of 11.5 = 30/100 * 11.5 = 3.45
2% of 3350 = 2/100 * 3315 = 67
x = 535/600 =0.891, so 89.1%
x = 70/700 = 0.1 so 10%
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