Marcus tried to solve an equation step by step. 2.5b=5

Step 1- 2.5b 5
=
2.5 2.5

Step 2- b=3

In which step did marcus make a mistake:

A - Step 1
B- Step 2
C- Marcus did not make i mistake

You are cycling around europe with friends. a cycling festival is starting soon in barcelona. it will take 4.5 hours to cycle there. how many minutes in total is this?

Hi i’m not sure how to do question 20 if u could explain how to do it that’d b great

Will mark brainliest for correct answer! i have been on this problem for an hour and can't find the answer. i'm begging here! incase you cant read the instructions in the picture because of too much or too little lighting: note: enter your answer and show all the steps that you use to solve this problem in the space provided.write a list of steps that are needed to find the measure of b. provide all steps as clear as possible, !