elijahmihaylo9 elijahmihaylo9
  • 13-06-2018
  • Mathematics
contestada

Dad is 4 times as old as his son Jim. In 10 years, dads age will be 20 years mare than twice jims age. How old is Jim?

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VonnFarro6
VonnFarro6 VonnFarro6
  • 13-06-2018
10 is the answer I’m AssuminG
Answer Link
ccannon1985
ccannon1985 ccannon1985
  • 13-06-2018
D = 4J and D + 10 = 2(J + 10) add 20
 D=4j and d + 10= 2 (j+10) 
-You have to substitute 2 and j and 2 and 10 
-Then add 10
Answer Link

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