U.S customary system also known as the English system.
Founded by the British, but they dropped it. Now only three countries in the world still use this system.
The first one is the first choice
V = 1/3 area of base * height
Area of base = h [(b₁ +b₂)]/2
[(3 + 6) * 4] : 2 =
18 ft²
Volume =
18 * 3 =
54 ft³
Answer:
first one: $10 + $5 * 24 = 130 dollar
second: $20 + $10 * 12 = 140 dollar
third: $5 + $10 * 15 = 155 dollar
fourth: $0 + $15 * 9 = 135 dollar
first one is the best deal
Step-by-step explanation:
2,720 dollars total next time try 10 times 17 times 16
