goldfish goldfish

02-10-2014
Mathematics

contestada

$0.90x + $8 = (16 + x)($0.65)

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mariamikayla mariamikayla

08-10-2014

[tex]0.90x \$+8\$=(16+x)*0.65\$ \\\\ 0.90x\$ +8\$=10.4\$+0.65x\$ \\\\ 0.90x\$-0.65x\$=10.4\$-8\$ \\\\ 0.25x\$=2.4\$ \\\\ \boxed{x=\frac{2.4\$}{0.25\$}=9.6}[/tex]

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