kkkkrazykrakerkirr
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# 0.5% of what number is 5? (Needs to be in a proportion)

ok percent means parts out of 100 0.5%=0.5/100=5/1000=1/200 'of' means mutily so 0.5% of what number is 5 1/200 tiems what=5 mutiply both sides by 200 to clear fraction what=1000 the numberis 1000 the proportion is $\frac{0.5x}{100}=5/1$