Answer: The number is 12
Step-by-step explanation:
n=number
2n-8=16
2n=24
n=12
A(base)=6*6=36
A( triangle)=1/2*(base of the triangle)*height( of the triangle)=1/2*6*4=12
one base +4 triangles=36+4*12=36+48 =84 cm²
Answer: 140$
Step-by-step explanation: 15$ times 8 meals plus 20 dollar fee eaquals 140$
600 ---> 250
600 - 250 = 350
350 / 5 = 70
Average decrease in value per year: $70
Using order of operations, the answer is 569.
