Answer:
100
Step-by-step explanation:
$312.50 = p x 0.25 x 25
divided by 25
12.50 = p x 0.25
divide by 0.25
50 = principal
Just ask if anything is unclear
Sorry I'm late, here are the equations, just solve for x! Treat the inequalities like an = sign and solve!!
You can use the app photo math to get the answer it’s free, hope this helps!