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Shantae822 Shantae822
  • 18-03-2014
  • Mathematics
Answered

145 300 610 1230

In the above sequence every term after the first is formed by multiplying by x and then adding y, where x and y are positive integers. What is the value of x + y?

Verified Answer :

HannahN HannahN
  • 19-03-2014

Multiplying by 2 and then adding 10 1452=290+10=300
3002=600+10=610
610*2=1220 + 10=1230
x=2 y=10
x+y=12

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