A picture was marked at $90.00. It was sold at 3/4 of its marked price. What was the sale price?
2 answers:
You might be interested in
Answer:
x = 5
Step-by-step explanation:
a² + b² = c²
x² + 12² = 13²
x² + 144 = 169
x² = 169 - 144
x² = 25
x = 5