jemmadoorbar12 jemmadoorbar12

03-02-2022
Mathematics

contestada

don’t get this question , need some help thankssss

dont get this question need some help thankssss class=

Respuesta :

jimrgrant1 jimrgrant1

03-02-2022

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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