A) What step I messed up on? b) What should I have done at that step instead?

c) What is the correct simplified answer?
show your work

1) 150 : 60

2) 100 : 10

3) 50 : 2

4) 25 : 1

2.5 : 1

Step-by-step explanation:

(1) 150 : 60 ← divide both parts by 10

(2) 15 : 6 → ( not 100 : 60) ← divide both parts by 3

(3) 5 : 2 ← divide both parts by 2

(4) 2.5 : 1

i belive those are the ones that are under 90 degreese.

29933333.33

step-by-step explanation: