200 +6m = 500-6m
add 6m to each side
200+12m = 500
subtract 200 from each side
12m = 300
divide both sides by 12
m = 300/12 = 25
25 minutes
check:
200+ 25*6 = 200 +150 = 350
500 - 25*6 = 500-150 = 350
Answer:
12
Step-by-step explanation:
Answer: X < 12 and X >= 60
Step-by-step explanation:
Call X the age
The answer is 6 because you have to first find the answer for (4*2) and (5-3)
Answer:
987 ft.
Step-by-step explanation:
We can solve this with an equation.
Since she has 5 rolls of 99 feet long blue streamer, then she has 5*99=495 feet of blue streamer
Since she has 9 rolls of 88 feet long blue green, then she has 9*88=792 feet of blue green
To find the total, we can add them up and get 495+792=987