Answer:
packs
Step-by-step explanation:
Given


Required
The total packs bought
This is calculated as:


Answer:
10.2 grams
Step-by-step explanation:
Gemma had 25.75 grams of frosting
Used 15.5 grams
Left over:
25.75 - 15.5 = 10.2 grams
Step-by-step explanation:
<u>Answer:</u>
The temperature change per hour was -3 degrees per hour.
<u>Step-by-step explanation:</u>
We know that the temperature fell from
degrees to
degrees in a time period of
hours.
So to find the rate of change of the temperature, we will divide the change in temperature by the number of hours.
For that, we will change the mixed number into improper fractions and then solve:

Temperature change per hour = 
Therefore, the temperature change per hour was -3 degrees per hour.