Answer:
Step-by-step explanation:
a₁ = 8
a₂ = 48
Common ratio r = a₂/a₁ =6
nth term = a₁rⁿ⁻¹
= 8×6ⁿ⁻¹
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Define their age
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Let Jim be x years old
Jim = x
Father = x + 31 ← Jim is 31 years younger than the father
Grandfather = x + 70 ← Grandfather is 70 years older than Jim
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Combined age is 137, find x
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x + (x + 31) + (x + 70) = 137
x + x + 31 + x + 70 = 137
3x + 101 = 137
3x = 137 - 101
3x = 36
x = 12
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Find their age
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Jim = x = 12
Father = x + 31
Father = 12 + 31
Father = 43
Grandfather = x + 70
Grandfather = 12 + 70
Grandfather = 82
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Answer: Jim = 12 ; Father = 43 ; Grandfather = 82
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It is probably a rectangle so u see the answer would make s eve but in your mind does it
Step-by-step explanation:
8x+3x-15-5x+20
6x+5
I think correct answer is 6x+5
