Four students spent time volunteering last weekend. The table shows how much time each student spent volunteering. Amy 4 5/6
Beth 6 1/2
Victor 5 4/5
Cal 5 6/7
For each pair of students, enter the difference between how much time they spent volunteering. Enter each answer as a fraction in simplest form.

plants store their excess carbohydrate in the form of starch so that it could be used as energy source later on. the excess carbohydrate is converted into starch in the plastid i.e. chloroplast & this process occurs in the presence of sunlight. it is an insoluble polymer of glucose which gets stored in cell organelles named as amyloplasts. in some plants, starch is also stored in roots and embryos.

-3.5 degrees per hour

step-by-step explanation:

find the unit rate:

-12   1/4 degrees           12.25 degrees

= - = -3.5 degrees per hour

      3   1/2 hours               3.5 hours