First you find how many miles the car travels per hour, to do so you can divide 420 miles by 8 hours:
420 miles/8 hours = 52.5 miles/hr
Now that you know the car travels 52.5 miles per hour, you can multiply it by 12 to find out how many miles the car travels in 12 hours.
52.5 · 12 = 630
The car travels 630 miles in 12 hours
Answer:
it’s not proportional
Step-by-step explanation:
the number that you are always multiplying should be constant
2x9 = 18 but 4x9 does not equal 20
Answer:
29 inches
Step-by-step explanation:
To find perimeter you just add all the side lengths.
I believe it's the second answer, where "the test contains 10 3-point questions and 14 5-point questions."
Answer:
a obv
Step-by-step explanation: