Answer:PHR
Step-by-step explanation:
PHR means parts per hundred defenition.
I really don't know sorry
Answer:
$500 is the original price
0.6x = 300 Divide 0.6 on both sides
x = $500
11in
a^2+b^2=c^2 when c is the hypotenuse
10^2+sqrt21^2=c^2
100+21=c^2
121=c^2
11=c
