1 00:00:00,000 --> 00:00:00,780 2 00:00:00,780 --> 00:00:07,080 Leo has $4,522.08 in his bank account. 3 00:00:07,080 --> 00:00:11,890 He deposits another $875.50 and then 4 00:00:11,890 --> 00:00:14,380 withdraws $300 in cash. 5 00:00:14,380 --> 00:00:16,300 How much is left in his account? 6 00:00:16,300 --> 00:00:20,280 So he's starting with $4,522.08. 7 00:00:20,280 --> 00:00:21,830 Let's write that down. 8 00:00:21,829 --> 00:00:27,559 $4,522.08. 9 00:00:27,559 --> 00:00:35,679 And then he deposits, or he adds, another $875.50. 10 00:00:35,679 --> 00:00:41,810 So he's going to add $875.50. 11 00:00:41,810 --> 00:00:43,500 When you deposit into an account, you're putting 12 00:00:43,500 --> 00:00:46,090 something into the account, or you're adding to the account. 13 00:00:46,090 --> 00:00:51,270 So after he adds that $875.50, what does he have? 14 00:00:51,270 --> 00:00:54,030 We go back to the penny spot, or we could view that as the 15 00:00:54,030 --> 00:00:54,759 hundredths. 16 00:00:54,759 --> 00:00:57,789 A penny is one hundredth of a dollar. 17 00:00:57,789 --> 00:00:58,829 Let me switch colors. 18 00:00:58,829 --> 00:01:01,210 We have 8 plus 0 is 8. 19 00:01:01,210 --> 00:01:03,119 0 plus 5 is 5. 20 00:01:03,119 --> 00:01:05,149 We have the decimal right there. 21 00:01:05,150 --> 00:01:07,630 2 plus 5 is 7. 22 00:01:07,629 --> 00:01:09,920 2 plus 7 is 9. 23 00:01:09,920 --> 00:01:12,239 5 plus 8 is 13. 24 00:01:12,239 --> 00:01:15,929 Put the 3 down here and regroup the 1, or carry the 1. 25 00:01:15,930 --> 00:01:17,710 1 plus 4 is 5. 26 00:01:17,709 --> 00:01:26,030 So after the $875.50 deposit, he has $5,397.58. 27 00:01:26,030 --> 00:01:32,670 Then he withdraws $300 in cash, or he takes out $300, so 28 00:01:32,670 --> 00:01:34,340 we'll have to subtract that. 29 00:01:34,340 --> 00:01:43,320 So then he withdraws $300 and I just added some trailing 30 00:01:43,319 --> 00:01:45,309 zeroes after the decimal. 31 00:01:45,310 --> 00:01:49,210 $300 is the same thing as $300.00 and zero cents. 32 00:01:49,209 --> 00:01:50,474 And then we subtract. 33 00:01:50,474 --> 00:01:53,259 34 00:01:53,260 --> 00:01:56,120 8 minus 0 is 8. 35 00:01:56,120 --> 00:01:58,370 5 minus 0 is 5. 36 00:01:58,370 --> 00:02:00,000 We have our decimal right there. 37 00:02:00,000 --> 00:02:02,459 7 minus 0 is 7. 38 00:02:02,459 --> 00:02:04,640 9 minus 0 is 9. 39 00:02:04,640 --> 00:02:10,919 3 minus 3 is 0, and then 5 minus nothing here is 5. 40 00:02:10,919 --> 00:02:14,830 So he's the left with, in his account, $5,097.58. 41 00:02:14,830 --> 00:02:18,067