3y means *three times y.* So it can be written as 3y or 3•y or written out three times the variable y.
Answer:
It went down 5.5°C a minute.
Step-by-step explanation:
You have to look for the difference of 100 and 78, which is 22.
Divide the difference with the minutes (4), equalling 5.5.
Answer:
B
Step-by-step explanation:
B
Answer:
Step-by-step explanation:
2v+27=75
2v=75 - 27
2v=48
v= 24 visits
So, she needs 24 visits
