9x-3=78
9x=78+3
9x=81
x=81/9
x=9
Answer:
3/5 = 60/100
60/100 = ?/56
cross multiply, then divide
60/100 = 33.6/56
Step-by-step explanation:
so there are 34 more blue marble than green
Answer:
k=7
Step-by-step explanation:
k+22=29
k=29-22
k=7
Good luck! :)
There is a common ratio of 2/3 between the height of the ball at each bounce. So, the bounce heights form a geometric sequence: 27, 18, 12. Two-thirds of 12 is 8, so on the fourth bounce, the ball will reach a height of 8 feet.
The train goes 2 miles per hour.
The amount needed is 12 miles.
You would have to do 12 divided by 2 to get 6.
Your answer would be 6 hours