Can you help me Figure out what x is asap
1 answer:
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notice, again, we use the decimal format of the percentage, 25% is just 25/100 or 0.25 and so on
so.. hmmm the quantities, of 4 + x, must add up to y, thus
4 + x = y
and their concentration amount, must add up as well
1.00 + x = 0.5y
thus
solve for "x"