10. Harga televisi di toko elektronik pada akhir tahun naik 20%. Pada pertengahan tahun turun 15% Apakah terjadi kenaikan atau penurunan harga televisi tersebut dari harga semula? Berapa persen kenaikan atau penurunan televisi tersebut?​

So, you need 10 penny, 4 nickles and 7 dimes Lets, check it. According to the question, total coins = 21 7 + 4 + 10 = 21 21 = 21.........................................true Now, their value should equal $1.00 = 100 cents Penny = 1 cent nickle = 5 cent dime = 10 cent, So, (10 *1) + (4 * 5) + (7 * 10) = 100 10 + 20 + 70 = 100 100 = 100......................................true


So, you need 10 penny, 4 nickle, and 7 dimes

Answered by rabinshrestha41 | 2024-06-10

To achieve a total of $1.00 using 21 coins, select 10 pennies, 4 nickels, and 7 dimes. This combination satisfies both the requirement of total number of coins and their total value. Each type of coin is used at least once as required.
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Answered by rabinshrestha41 | 2024-10-01

Penjelasan dengan langkah-langkah:contoh: anggap harga asal tv tu rm100 senang kira1. naik 20% akhir tahun100 + (20% × 100) = 100 + 20 = rm1202. turun 15% pertengahan tahun (dari harga rm120 ni tau)15% × 120 = 18so 120 - 18 = rm102sekarang compare harga akhir (rm102) dengan asal (rm100)= ada kenaikan rm2so berapa % naik?(2 / 100) × 100% = 2%jawapan dia: harga tv naik 2% dari harga asalplease brainliest answers

Answered by sukamatematik0 | 2025-07-20