80 per cent of 400 is equal to 70 per cent of what number?
Options
A- 420
B- 457
...
Mathematics, 26.08.2020 22:01 oof529
80 per cent of 400 is equal to 70 per cent of what number?
Options
A- 420
B- 457
C-480
D-430
E-440
Answers: 3
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Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0
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Ahyperbola centered at the origin has a vertex at (-6,0) and a focus at (10,0)
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