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Michael and laura spent a combined 250 hours in the tutoring center. If Michael spent 40 more hours than laura did,how many hours did laura spend in the tutoring center?

Respuesta :

MathGenius04
x + y = 250
y + 40 = x

x + y = 250
y = x - 40

x + y = 250
- x + y = - 40

2y = 210

y = 105

Laura spent 105 hours, and Michael spent 145 hours there

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