Last year, a gardener grew 80 tomato plants. This year, the gardener grew 92 tomato plants… — SAT

Last year, a gardener grew $80$ tomato plants. This year, the gardener grew $92$ tomato plants. What is the percent increase in the number of tomato plants from last year to this year?

Answer: 15

Answer

The percent increase in the number of tomato plants is

15

To find the percent increase, subtract the original value from the new value to get the absolute increase:

92 - 80 = 12

. Next, divide this increase by the original value:

\frac{12}{80} = 0.15

. Finally, multiply by

100

to convert the decimal to a percentage, resulting in

15

Step-by-Step Solution

Subtract the original number of tomato plants from the new number of plants

12

plants

To find the absolute change in the quantity of plants.

Divide the change by the original number of plants

0.15

To find the ratio of the increase relative to the starting amount.

Multiply the ratio by

100

to convert it to a percentage

15

To express the ratio as a percentage value.

Key Concept

Calculating percent change from an initial value to a final value

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Answer

Step-by-Step Solution

Key Concept

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