Hey there! I'm happy to help!
If Mary's friend at 3/4 of blackberries, we will simply multiply the total number of blackberries by 3/4 to find how many blackberries Mary ate.
3/4×1 3/4= 1 5/16
Therefore, Mary's friend at 1 5/16 pounds of blackberries.
I hope that this helps! Have a wonderful day!
You did not provide a list of expressions to select from.
Let A = area
Let w = width
Let (w + 5) = length
A = (w + 5)w
Answer:
The percentage is 
Step-by-step explanation:
Let
x-----> the number
we have

To find the percentage multiply by 100

3 - x = 10
-x = 10 - 3
-x = 7
x = -7 <===