Answer:200+250+ 450
Step-by-step explanation:
trust me my teacher showed me
Answer:
2.5
Step-by-step explanation:
250 + 200h = 300 + 180h
250 + 200h = 300 + 180h
− 180h − 180h
250 + 20h = 300
20h + 250 - 250 = 300 - 250
20h = 50
20h/20 = 50/20
h = 2.5