biancad45d66 biancad45d66

20-11-2020
Mathematics

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Respuesta :

lebaneseone3 lebaneseone3

20-11-2020

Answer:

Part A: x+y=75 is the 1st linear equation

y=25+x

Part B:

x+y=75

x+(25+x)=75

2x=50

x=25

she spends 25 mins running

part c : no because if she spends 45 mins

then x+y=70

but x+y=75

she spends 50 mins dancing

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