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A factory has two assembly lines, M and N, that make the same toy. On Monday, only assembly line M was functioning, and it made 900 toys.
On Tuesday, both assembly lines were functioning for the same amount of time. Line M made 300 toys per hour and line N made 480 toys per hour. Line N made as many toys on Tuesday as line M did over both days. Write an equation that can be used to find the number of hours, t , that the assembly lines were functioning on Tuesday.
On Monday
Line M made 900 toys On Tuesday Line M made 300 per hour Line N made 400 per hour 400t = 300t + 900 {line N made as many on Tuesday as line M over both days} 100t = 900 {subtracted 300t from each side} t = 9 {divided each side by 100} 9 hours Ask the House
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