Dbug12
Dbug12
14-03-2015
Mathematics
contestada
divide £32 in a ratio of 3:7
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secret13
secret13
14-03-2015
[tex]3 + 7 = 10[/tex]
[tex]32 [/tex] ÷ [tex]10 = 3.2[/tex]
[tex]3.2[/tex] × [tex]3 = 9.6[/tex]
[tex]3.2[/tex] × [tex]7 = 22.4[/tex]
£9.60 : £22.40
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konrad509
konrad509
14-03-2015
[tex]3x+7x=\pounds32\\ 10x=\pounds32\\ x=\pounds3.2\\ 3x=3\cdot\pounds3.2=\pounds9.6\\ 7x=7\cdot\pounds3.2=\pounds22.4\\\\ \boxed{\pounds9.6 \text{ and } \pounds22.4}[/tex]
Answer Link
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