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The temperature in a greenhouse should be 67 degrees or higher. One​ morning, the heater stopped working. The temperature dropped 6 degrees before someone fixed the heater. The temperature was still at least 67 degrees when the heater started working again. How can you best describe the temperature in the greenhouse before the heater stopped​ working?

Respuesta :

beatriz2002
i think it might be
67+6=73
≤73
cause it can be 73 or higher

Answer:

The temperature in the greenhouse was at least  

70 degrees before the heater stopped working.

Step-by-step explanation:

Write an inequality for this situation. Use x for the temperature in the greenhouse before the heater stopped working.

Solve this inequality. Use inverse operations to get x alone on one side of the inequality symbol.

What operation is used in the inequality xminus3greater than or equals67​?

Subtraction

What is the inverse operation of​ subtraction?

Addition

try to get x alone on the left side of the inequality symbol. What value should be added to each side of the inequality xminus3greater than or equals67​?

3

Add 3 to each side and simplify.

xminus3

greater than or equals

67

This is the original inequality.

xminus3plus3

greater than or equals

67plus3

Add 3 to each side.

x

x

greater than or equals

67plus3

Simplify the left side.

x

greater than or equals

nothing

Simplify the right side.

x

greater than or equals

  • 34

70

Simplify the right side.

The temperature in the greenhouse was at least 70 degrees before the heater stopped working.