Answer:
She was driving for 5 hours
Step-by-step explanation:
Let us solve the question
∵ Kate begins with 16 gallons of gas in her car
∵ Her car burns 3 gallons of gas each hour
→ That means the rate of burn of the gas is 3 gallons per hour
∵ She ends her road trip with 1 gallon of gas left in the tank
→ That means she used the difference between 16 and 1 gallons
∴ The number of gallons she used = 16 - 1 = 15 gallons
→ By using the ratio method
→ Gallon : hour
→ 3 : 1
→ 15 : x
→ By using cross multiplication
∵ 3 × x = 15 × 1
∴ 3x = 15
→ Divide both sides by 3
∴ x = 5
∵ x represents the number of hours of her trip
∴ She was driving for 5 hours
Answer:
31.43ft
Step-by-step explanation:
πd=22/7×10ft
=31.43ft
Answer:
3)
Step-by-step explanation:
Answer:
That would be 549.5 cubic inches of cat litter (approximately).
Step-by-step explanation: The cylindrical storage container has a height of seven inches and a radius of five inches. To know how much cat litter would fill it requires us to calculate the volume of the container.
The volume of a cylinder is given as,
Volume = Pi x r^2 x h
Where r is the radius, h is the height and Pi shall be taken as 3.14
We can now substitute for the known values as follows;
Volume = 3.14 x 5^2 x 7
Volume = 3.14 x 25 x 7
Volume = 549.5
Rounded to the nearest tenth, the container would be filled with 549.5 cubic inches of cat litter.
