Karl: k hours
Ryan: r hours
r+k=14 hrs
r = 2k-1 hrs
Then (2k-1) + k = 14 hours; 3k -1 = 14 hours; 3k = 15 hours; k = 5 hours.
Karl worked 5 hours; Ryan worked 2(5 hours) -1 hour = 9 hours.
Answer:
D.) 10 2/3 square feet
Step-by-step explanation:
The area will change by
multiply the area by 4/9 and you get 32/3 = 10 and 2/3 (because 10 = 30/3)
Answer:
c. dividing is the inverse of multiplying because it doesn't really relate the equation like the others do.
This would definitely vary but if I were to say I would probably think each story would be about 10 feet so it so 2 stories should be about 20 feet. but keep in mind that every building is unique.
In 6300 it is 300 or hundreds, in 530 it is 30 or tens.
