0.5 × 78.2287 = 39.11435
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5x2 - 6x = 0Factor the left side:x (5x - 6) = 0The equation is satisfied ifx = 0,or if5x - 6 = 05x = 6x = 6/5
Letx = number of nickels 7x = number of dimes 7x (.10) + x (.05) = 3.75 .7x + .05x = 3.75 .75x = 3.75 x = 3.75/.75 = 5 nickels 7x = 35 dimes
To find the number that, when multiplied by 5%, equals 16000, you need to divide 16000 by 5% (or 0.05). This calculation would be 16000 / 0.05 = 320000. Therefore, the number you are looking for is 320000.