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sophie bikes s miles per hour her friend rana is slower. Rana bikes r miles per hour. Rana and sophie went for a 20 mile bike ride today each girl biked her usual speed how long did sophia wait for ranna at the end of the rout

Sagot :

Answer:

[tex]\frac{20}{R}[/tex]-[tex]\frac{20}{S}[/tex]

Step-by-step explanation:

Ok, let's pretend that R is 5 and S is 10

That means that Sophie spent 2 hours while Rana spent 4 which means to find the difference you have to subtract. Back to the real problem, we see that we are given R and S not numbers, but variables; as a result, we show the operation then subtract.

Hope this helped my dude.

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