A man saved 133000 in 10 months. In each month after the first, he saves 100 more than
he did in the preceding month. How much did he save in the first month?
[Hint: x + ( + 100) + (x + 200) + ...... + (x + 900) = 33000
10x + (100 + 200 + 300 + ......... + 900) = 33000
9
10x + (100 + 900) = 33000 10x = 28500 x = 2850.
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Step-by-step explanation: A man saved 133000 in 10 months. In each month after the first, he saves 100 more than
he did in the preceding month. How much did he save in the first month?
[Hint: x + ( + 100) + (x + 200) + ...... + (x + 900) = 33000
10x + (100 + 200 + 300 + ......... + 900) = 33000
9
10x + (100 + 900) = 33000 10x = 28500 x = 2850.
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