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92 No. Show the methods to solve these problems. 1. X Problem EXERCISE 7 So, he deposited 40,000 baht to the bank. And bought stocks for 100,000 - 40,000 60,000 baht. 3 40,000 8. X + 6% 100 Plan and process Supritsra got 10,000 baht from her father on her birthday. Then, she deposited her money at 2 banks. She got six per cent interest from the first bank and got seven percent 6 7 interest from the second bank. (xx100) + (10,000 - X): How much money did she deposit 100 in each bank? (Given: Total earned interest is 660 baht.) 6x + 70,000 - 7x 66,000 70,000 - 66,000 = x 4,000 = x So, she deposited 4,000 baht to the first bank and 10,000 - 4,000 = 6,000 to the second bank. 10,000 - X 7% Total interest from one year 660 = 660 got 9 percent profit from the investment and another part w taken to buy the stocks so ws 8 per cent return. Finally, we 10,320 baht from all investm How much is each investme 3. Pawadee takes 18,000 deposit in 2 banks. So, bank gives 6 per cent int her and the second ba 8 per cent interest. After she'll get 1,240 baht. interest. How much r she deposit in each ba 4. The man invests deposit in the bank So, the investmen per cent from inte and 3 per cent fr much is each in that his profits

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