Sagot :
[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
[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
[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]