Question

Help!

Answer 1

well, we want this formula:
\[150+5.25x=370.50\]

Answer 2

so first, subtract the 150 from both sides to get:
\[5.25x=220.50\]
then solve for x by dividing by 5.25 on both sides. so:
\[220.5/5.25=42\]
x=42