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Working together, Sophie and Lily solved 53 math problems. Lily solved 19 fewer problems than three times the number Sophie solved. How many problems did each girl solve?

Respuesta :

Answer:

Lily=35, Sophie =18

Step-by-step explanation:

Sophie =x

Lily=3x-19

Lily (x)+ Sophie (3x-19)=53

x+3x-19=53

4x=72

x=18 sophie

‘3x-19=Lily

3(18)-19. Lily

54-19.     Lily

35.          Lily

Lily + Sophie-53

35+18=53

53=53

Answer:

Answer of the Sophie solves the problems= 18

Lily solves the problems= 53

Step-by-step explanation:

Sophie solve the problem =x

Lily solve the problem =3x-19

Sophie and lily solve the problems together

(x)+ (3x-19)=53

x+3x-19=53

4x=72

Sophie x=18

3x-19=Lily

3(18)-19= Lily

54-19 =  Lily

35 = Lily

Hence , Lily solve the number problems =35

And Sophie solve the problem= 18

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