a circuit overloads at 1800 watts of electricity you plug a microwave oven that uses 1100 watts into the circuit write and solve an inequality that represents how many watts you can add to the circuit without overloading the circuit

Question

10-11-2018
Mathematics

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a circuit overloads at 1800 watts of electricity you plug a microwave oven that uses 1100 watts into the circuit write and solve an inequality that represents how many watts you can add to the circuit without overloading the circuit

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mzwenz mzwenz · Answer 1 · 2018-11-10T17:39:25+01:00

Let w be the additional watts you can add on the circuit.

1100 + w < 1800 (write the inequality)
-1100 -1100 ( - 1100 from each side)

w < 700 (simplify)

ANSWER:
You can add up to 700 watts to the circuit, which means that you can also plug in the clock radio and the blender.

LOOK BACK:
You can check that your answer is correct by adding the numbers of watts used by the microwave oven, clock radio and blender.

1100 + 50 + 300 = 1450

The circuit will not overload because the total wattage is less than 1800 watts.