Question

14. What is the constant of proportionality (unit rate) shown in the table?

Pounds of Apples
1
2
3
4
5
Cost
$0.78
$1.56
$2.34
$3.12
$3.90
O
A. $0.39
O
B. $0.78
O
C. $2.34
O
D. $3.90

Answer 1

B. $0.78

Explanation:

Constant of proportionality = 0.78/1 = 1.56/2 = 0.78