Answer:
H. 39.6
Step-by-step explanation:
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Let julia's age be x
Let Kara's age be 4x
x+4x=13
5x=13
x=13/5
2.6 years
Answer: Watch explanations
Step-by-step explanation:
Answer:
x = -1
x = 3
Step-by-step explanation:

Add 1 to both sides:

Factor the left side:

Square root both sides:

Therefore:

