A= 0.25 or 1/4
Hope this helps:)
Answer:
Temperature dropped by 28°C in two hours
Step-by-step explanation:
<u>Initial measurement:</u>
<u>Measurement 2 hours later:</u>
<u>The difference:</u>
Temperature dropped by 28°C in two hours
21*10=210
30*7=210
42*5=210
14*15=210