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OpenStudy (anonymous):
Simplify each product 21/81 x 63/105
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OpenStudy (anonymous):
21/81 X 63/105= 1/9 x 7/5 = 7/45 need to find lowest product then multiply
jhonyy9 (jhonyy9):
21 63 7*3 7*9 1 7 7 --- * ---- = ---- * ------ = --- * --- = --- 81 105 9*9 7*3*5 9 5 45
OpenStudy (anonymous):
y=x-v/b
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