A deli sells 2 hot dogs for $2.50. What is the constant of proportionality of dollars per hot dog?

$1.25 per hot dog

Step-by-step explanation:

Since we have given that

A deli sells 2 hot dogs for $2.50

i.e.

Cost of 2 hot dogs = $2.50

And we need to find the constant of proportionality of dollars per hot dog, for which we'll use unitary method.

So,

Cost of 1 hot dog is given by

2.50/2=$1.25

So, Cost of per hot dog is $1.25.

Hope this helps :)

b

step-by-step explanation:

the answer is  

a.

4,624π mm2

step-by-step explanation: