4a-13=19 add 13 to both sides
4a=32 divide by 4 on both sides
a=8
What subject is this if this is math I am good at it
Answer:
799 apples were produced by each tree.
Step-by-step explanation:
182,172 apples evenly produced by 228 trees.
182,172 apples ÷ 228 trees = 799 apples per tree
799 apples • 228 trees = 182,172 apples
I hope this helps
Answer:
the annual rate of inflation r is 0.023
Step-by-step explanation:
Given by the expression:

The average price of a gallon of milk increased from $0.36 in 1913 to $3.53 in 2013.
Let 

n = 2013 - 1913 = 100
replacing our values into the given equation; then the annual rate of inflation r is as follows:

r = 0.023
Hence, the annual rate of inflation r is 0.023