Answer:
u=5.23
Step-by-step explanation:
15.5925925926
b=8d+9c+3
Multiply:
1x3=3
Rewrite Equation:
Hence, the correct answer is b=8d+9c+3
Sara is now 4, will be 8 in 4 years. Ralph is now 12, will be 16 in 4 years.