nshina
nshina
20-10-2015
Mathematics
contestada
63 is 90% of what number?show the equation
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AJM2
AJM2
20-10-2015
90% (or 0.9) of a certain number is equal to 63. Let's call this number Y. Therefore, the equation would be
0.9 x Y = 63
If you divide both sides by 0.9, you get:
Y = 70
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