Answer:
$1.50/bar
Step-by-step explanation:
The constant of proportionality is $1.50/bar: each bar costs $1.50.
Answer:
base = 3.1 cm
Step-by-step explanation:
b= base
perimeter= p
From the statement we know that p=15.7 cm
moreover:
a=c=6.3 cm
So we have:
15.7=2*a +b
15.7 = 2*6.3 +b
15.7-12.6 = b
b= 3.1 cm = base