Mathematics, 23.11.2020 03:40, Andyrogers

Billy gave money to a charity over a 20-year period, from Year 1 to Year 20 inclusive. He gave RM150 in Year 1, RM 160 in Year 2, RM170 in Year 3, and so on. Kevin also gave money to the

charity over the same 20-year period. He gave RM A in Year 1 and the amount of money he gave

each year increased, forming an arithmetic sequence with common difference RM30. The total

amount of money that Kevin gave over 20-year period was twice the total amount of money that

Billy gave. Calculate the value of A.

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Billy gave money to a charity over a 20-year period, from Year 1 to Year 20 inclusive. He gave RM15...