Answer:
5x+3x=8x
8x = 32
x=32/8 = 4
boys are 4 x 5 = 20
girls are 4 x 3 = 12
Step-by-step explanation:
Answer:
2x+6=6+2x
-6 -6
2x=2x
/2 /2
x=x
No solution
Step-by-step explanation:
Answer:
2500
Step-by-step explanation:
Let the first square number be then the next square number is .
The difference between these two consecutive numbers is 99.
This implies that:
We expand to get:
Simplify:
Divide both sides by 2
Therefore the value of the larger perfect number is
.
Determine whether the point 1,5 is a solution to the system of inequalities below y>3x , y>/2x+1