Answer:
90t-21t=69t
Step-by-step explanation:
4:00pm to 6:00 am is 14 hours. 14 x 1.5 is in fact 21 which means the temperature dropped 21 degrees in those 14 hours.
75 - p
Step-by-step explanation: you said that she has 75$ and p is what she spent so the expression is 75 - p
1/2 = 1/2c - 2
+2 + 2
2.5 = 1/2c
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1/2 1/2
5=c
15 Is Your Answer
