A farmer planted 1890 tomato plants in a field in rows each having 63 plants. A certain type of worm destroyed 18 plants in each row.
A farmer planted 1890 tomato plants in a field in rows each having 63 plants. A certain type of worm destroyed 18 plants in each row. How many plants did the worm destroy in the whole field?
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Total number of plants = number of rows × number of plants
⇒ 1890 = number of rows × 63
⇒ 1890/63 = number of rows
⇒ number of rows = 30
Now, number of plants destroyed by worm in 1 row = 18
∴ Total number of plants destroyed by worm in 30 rows = 18 × 30 = 540
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