Answer:
n=4p
Step-by-step explanation:
18n-7p-15n=5p
3n-7p=5p
3n=5p+7p
3n=12p
n=12p/3
n=4p
A i belive
Hope this helps
Answer:
5a + 15
Step-by-step explanation:
2a + 3(a + 5)
open brackets
2a + 3a + 15
5a + 15
Answer:
Leila's call lasted for 25 minutes.
Step-by-step explanation:
inital amount - (0.22 * minutes on the phone) = final amount
25 - 0.22x = 19.5
Solve for x
Subtract 25 from both sides
-0.22x = -5.5
Divide both sides by -0.22
x = 25
