Mike deposited $850 into the bank in july. from july to december, the amount of money he deposited into the bank increased by 15% per month. what's the total amount of money in his account after december? round your answer to the nearest dollar. show your work. 4.

$1.710

Step-by-step explanation:

Mike deposited $850 into the bank in July.

In August his balance will be: $850×1.15 = $977.5

In September his balance will be: $977.5×1.15 = $1124.125

In October his balance will be: $1124.125×1.15 = $1292.74375

In November his balance will be: $1292.74375×1.15 = $1.486,6553125

In December his balance will be: $1.486,6553125×1.15 = $1.709,653609375

Therefore, the amount of money he will have after december will be $1.710

7

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