Raj and Alisha start walking to school at the same time every morning. The ratio

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Raj and Alisha start walking to school at the same time every morning. The ratio of the distance of Raj's house to the school and Alisha's house to the school is 13 : 17. If they both reach school at the same time, then the ratio of the walking speed of Raj and Alisha is? [4 MARKS]

Answer:
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Steps: 3 Marks
Answer: 1 Mark
Let the speed of Raj and Alisha be S1 and S2 respectively.
The ratio of the distance of raj's house to the school and Alisha's house to the school

= \frac{D_{1}}{D_{2}} = \frac{13}{17}

Since the time is same, time = T
The ratio of walking speed of Raj and Alisha

= \frac{S_{1}}{S_{2}}

\frac{S_{1}}{S_{2}} = \frac{D_{1} . T}{D_{2} . T} = \frac{13}{17}

Ratio of walking speedof Raj and Alisha is 13 : 17

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