Answer:
86
Step-by-step explanation:
The average is the sum of all the grades divided by the number of tests.
83.8 = (84 + 79 + 82 + 88 + x) / 5
419 = 333 + x
x = 86
Answer:
Step-by-step explanation:
Answer:
n=48
Step-by-step explanation:
0.6*x =28.8=> x=28.8/0.6=>x=48
Get the problem up 20*n. N being the nuber of weeks you just multiply 20 by how many weeks there are and that how much you save
Answer:
Step-by-step explanation:
(-3/4)^-4 = (-4/3)^4 = (4/3)^4