Answer:
x = (z + 3y) / 20
Step-by-step explanation:
20x - 3y = z
+3y +3y
-----------------------
20x = z + 3y
/20 /20
-----------------------
x = (z + 3y) / 20
Answer:
12 girls
Step-by-step explanation:
2/5 x 40 = 16
1/4 x 16 = 4
16 - 4 = 12
If the shaded area is 2 out of the 8 equal parts, the fraction is 2/8, which simplifies to 1/4.
Answer:
Option C 
Step-by-step explanation:
we know that
the surface area of a pyramid is equal to

where
B is the area of the base
LA is the lateral area
The area of the base B is

The lateral area is equal to

the surface area is equal to

Answer:
The answer is most likely A
Hope this helps if t does please consider giving brainliest
Cya on the next one!
Step-by-step explanation: