For a hot air balloon to take off, the temperature of the air outside the balloon must be at least 15°F cooler than the temperature of the air inside of the balloon. In interval form, what is the temperature inside the balloon if it is 70°F outside?
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step-by-step explanation:

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answer: bea's uncle is 25 years old.

step-by-step explanation:

given the equation , we can say that the variable "x" represents the age of bea's uncle. then to find his age, we need to solve for "x":

we must add 15 to both sides of the equation:

now we need to divide both sides of the equation by 3:

therefore, we can conclude that bea's uncle is 25 years old.

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