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Sagot :
Given:
1) A hairdresser uses 800ml of shampoo and 320 ml of conditioner on a daily basis.
The ratio from a to b is writtenn as,
[tex]a\colon b\text{ that is }\frac{a}{b}[/tex]So, the ration of shampoo to the conditioner is,
[tex]\frac{800}{320}=\frac{5}{2}[/tex]Answer: 5:2.
2) sugar and flour are mixed in the ratio 2:3
[tex]\text{sugar:flour}=2\colon3[/tex]Let x be the amount of sugar is used with 600 g of flour.
[tex]\begin{gathered} \frac{2}{3}=\frac{x}{600} \\ 2\times600=3x \\ 1200=3x \\ x=\frac{1200}{3} \\ x=400\text{ g} \end{gathered}[/tex]Answer: 400 g of suger is used.
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