Amaya’s test scores in algebra 1 are 78 and 91. she has one more test left and wants to earn a b for the course, which is from 80-89 inclusive. write a compound inequality to represent the situation.

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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.

10 - 8 = -2

  8 - 6 = -2

etc, so -2 is the common difference

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