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1. Let x be arthur’s age now
a. what was his age five years ago?
________
b. if jojo is 2 years younger than arthur, represent his age now
C. what was Jojo’s age 4 years ago
D. seven years ago, the sum of their age was 46. Write an equation to repsent this? ________
1. Let x be arthur’s age now
a. what was his age five years ago?
________
b. if jojo is 2 years younger than arthur, represent his age now
C. what was Jojo’s age 4 years ago
D. seven years ago, the sum of their age was 46. Write an equation to repsent this? ________
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Answer:
A.Let Five years ago the age of son be x years and age of father be 7x years
Let Five years ago the age of son be x years and age of father be 7x yearsPresent age of son =x+5
Let Five years ago the age of son be x years and age of father be 7x yearsPresent age of son =x+5Present age of father =7x+5
Let Five years ago the age of son be x years and age of father be 7x yearsPresent age of son =x+5Present age of father =7x+55 years later their age will (x+10) and (7x+10)
Let Five years ago the age of son be x years and age of father be 7x yearsPresent age of son =x+5Present age of father =7x+55 years later their age will (x+10) and (7x+10)∴7x+10=3(x+10)
Let Five years ago the age of son be x years and age of father be 7x yearsPresent age of son =x+5Present age of father =7x+55 years later their age will (x+10) and (7x+10)∴7x+10=3(x+10)7x−3x=20
Let Five years ago the age of son be x years and age of father be 7x yearsPresent age of son =x+5Present age of father =7x+55 years later their age will (x+10) and (7x+10)∴7x+10=3(x+10)7x−3x=204x=20
Let Five years ago the age of son be x years and age of father be 7x yearsPresent age of son =x+5Present age of father =7x+55 years later their age will (x+10) and (7x+10)∴7x+10=3(x+10)7x−3x=204x=20x=5
Let Five years ago the age of son be x years and age of father be 7x yearsPresent age of son =x+5Present age of father =7x+55 years later their age will (x+10) and (7x+10)∴7x+10=3(x+10)7x−3x=204x=20x=5So, the present age of son=x+5=5+5=10years
Let Five years ago the age of son be x years and age of father be 7x yearsPresent age of son =x+5Present age of father =7x+55 years later their age will (x+10) and (7x+10)∴7x+10=3(x+10)7x−3x=204x=20x=5So, the present age of son=x+5=5+5=10yearsand the present age of father=7x+5=35+5=40years
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