Welcome to Bytelearn!

Let’s check out your problem:

Dakota's energetic Uncle Bob loves roller coasters, and he wants to ride them all! One day, Dakota prints out a list of all the roller coasters in the United States. After reading it with Uncle Bob, they discover he has already ridden $90$ of the coasters. There are still $403$ coasters left to ride.$\newline$Which equation can you use to find the total number of roller coasters $c$ on Dakota's list?$\newline$Choices:$\newline$(A) $\frac{c}{90} = 403$$\newline$(B) $c - 90 = 403$$\newline$(C) $90c = 403$$\newline$(D) $c + 90 = 403$$\newline$Solve this equation for $c$ to find the number of roller coasters on Dakota's list.$\newline$____ roller coasters$\newline$