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Wittaler [7]
2 years ago
14

Don’t get this question , need some help thankssss

Mathematics
1 answer:
ss7ja [257]2 years ago
3 0

Answer:

PQ = 37 Km

Step-by-step explanation:

let PQ = x , then

PR =  x + 15 and QR = 3(x + 15) = 3x + 45

sum the parts and equate to 245

x + x + 15 + 3x + 45 = 245 , that is

5x + 60 = 245 ( subtract 60 from both sides )

5x = 185 ( divide both sides by 5 )

x = 37

then

PQ = x = 37 Km

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