Answer:
238
Step-by-step explanation:
Area of a triangle= base x height/ 2
A= 34x14=476
A=476/2=238
Answer:
85 girls and 140 boys
Step-by-step explanation:
Answer:

Step-by-step explanation:
Let
denotes number of pencils, markers, erasers respectively.
For Andrea:

For Justin:

For Virginia:

On subtracting equations (i) and (ii), we get

Put
in equation (i)

Put
in equation (iii)

Multiply equation (iv) by 5 and equation (v) by 6 and then subtract both the equations.

Put
in equation 

Put
in equation (i)

Answer:
x>= -12
Step-by-step explanation:
x/8>=-1.5
*8 *8
x>= -12