Answer:
a) 7:10
Step-by-step explanation:
An example of this would be having seven blue marbles and three red marbles in a jar. If you randomly select one, the chance of that marble being blue is seventy, because 10 (total number of marbles) divided by seven (number of blue marbles) is 0.70, and if you convert this to a whole number (by multiplying it by 100) you get 70.
5 minutes
100 sit-ups in 2 minutes means 50 sit-ups per minute
amount of sit-ups / mins
100 / 2
200. /. 4
300. /. 6
40+1
50-9
4(10)+1
410/10
There are a lot of answers
Answer:
-27
Step-by-step explanation:
5(x+3) = 4(x-3)
5x + 15 = 4x - 12
5x - 4x = -12 - 15
X = -27