Geometric Sequence: 7, -21, 63, -189,..., Lhin has purchased 20 books. The 1st book costs P50, the 2nd book worth P100, the 3rd book worth P200, and the 4th book worth, P400, and so on. How much did Lhin pay for the 20 books?, 2, 14, 98, 686, ..., A super-ball has a 68% rebound ratio—that is, when it bounces repeatedly, each bounce is 68% as high as the previous bounce. When you drop it from a height of 20 feet. How high does the ball bounce after it strikes the ground for the eighteenth time?, A student borrows P2 500. The bank loans this money at a rate of 9 %, capitalized monthly. What amount will the student have to reimburse two years later?, Arithmetic Sequence: Logs are stacked in a pile with 48 logs on the bottom row and 24 on the top row. Each row decreases by three logs., 32, 26, 20, 14, 8, …, The theater has 22 seats in the first row of the “A Center” section. Each row behind the first row gains two additional seats. How many seats are there in the 15th row?, −29, −34, −39, −44, −49, ..., A water tank develops a leak. Each week, the tank loses 5 gallons of water due to the leak. Initially, the tank is full and contains 1500 gallons. How many gallons are in the tank 20 weeks later? ,

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