Gurl us one of those math apps that u take a pic and it anwser for u
(X+Y+Z)/3=84 X,Y,Z IS THE THREE UNKNOWN SCORES.TO KNOW THE TOTAL , MULTIPLY THE 84 BY 3.
84*3=252
(252+H)/4=87 H IS THE FOURTH GRADE HE SHOULD HE IF HE WANTS HIS AVERAGE TO BE 87
87*4=348
252+H=348
H=348-252
H=96
Answer:
24
Step-by-step explanation:
36= 3 equal parts
so: 36/3 =12
One part=12
so 2 parts is 12*2
12*2=24mm is the answer
Answer:
<h2>
C) 4</h2>
Step-by-step explanation:
The nth term of arithmetic sequence is 
So:
