You buy 10 pounds of bird seed at Store A for $11.50. Your friend buys 15 pounds of bird seed at Store B for $19.50. How much less would you spend buying 20 pounds of bird seed at the store with the better deal?

Step-by-step explanation:

$11.50/10 = $1.15 per pound

$19.50/15 = $1.30 per pound

$1.15 * 20= $23

$1.30 * 20 =$26

$26- $23 = $3

$3

chiken

step-by-step explanation:

i think it will be zero as slope has a formula of difference between initial and final distance divided by itz time interval