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9 September, 22:17

Peter started with 100 dollars in his bank account. Each month, he puts 20 more dollars in his account. The amount of money in dollars D in his account is given by D = 20m + 100 where m is the number of months he has added 20 dollars to his account.

How much money will be in Peter's account after 10 months?

A.

$20

B.

$120

C.

$200

D.

$300

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Answers (1)
  1. 9 September, 23:40
    0
    D - 20 (10) + 100

    20*10 = 200

    200+100=300
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