What is the value of (3 x 10-5)?
2 answers:
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Find the difference between the 2 numbers which will give you the increase from the lower value to the higher. Divide this increase by the original (lower) number and multiply the result by 100 to get the percentage. For us that looks like this: 
. Simplifying a bit we have 
or 49%, rounded.
Total number of rows does Brenda's vegetable garden has
Total number of plants in each row
Total number of rows Brenda wants to plant peppers
Total number of rows left to plant tomatoes
Since, total number of plants that can be planted in each row
Therefore, number of tomato plants that Brenda will plant are