A spider caught 175 flies in her web in one week. Each day she caught 7 more flies than she did the day before. How many flies did the spider catch on each individual day?
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Let the spider catch x flies on the first day.
According to question, x + (x+7) + (x+14) + (x+21) + (x+28) + (x+35) + (x+42) = 175
=> 7x + 147 = 175
=> x = 4
Flies caught on each day = 4, 11, 18, 25, 32, 39, 46
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