x + 4x/5 + 45.5/100 * 4x/5 = 64.2
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Step-by-step explanation:
5x/5 + 4x/5 + 36.4x/100 = 64.2
9x/5 + 36.4x/100 = 64.2
180x/100 + 36.4x/100 = 64.2
216.4x = 64.2 × 100
216.4x = 6420
x = 6420/216.4
x = 64200/2164
x = 29.66
I hope this will help you.
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