When sprayed with gibberllins, the diameter of mature grapes increased from 1.0cm to 1.75cm. what was the percent increase in size

75%

Step-by-step explanation:

1. You know that  the diameter of mature grapes increased from 1.0 centimeters to 1.75 centimeters.

2. Then, to calculate the percent increase in size, you can apply the following formula:

3. Therefore, when you substitute the values shown above into the equation. Then, you obtain that  the percent increase in size is:

step-by-step explanation:

(s)he  is right it would be 5.5% because it is smaller than 15.5% or anything smaller than 15.5% in general