Answer: 381.7
Step by step explanation:
She would have saved 30 dollars.
I apologize, but we would need the chart included below the questions to be able to answer this.
Answer:

Step-by-step explanation:
we know that
The volume of a trough is equal to

where
B is the area of equilateral triangle
L is the length of a trough
step 1
Find the area of equilateral triangle B
The area of a equilateral triangle applying the law of sines is equal to

where


substitute


step 2
Find the volume of a trough

we have


substitute


Answer:
by drawing a number line then simpifly 3/2 than mark it down
Step-by-step explanation: