Answer:
m=7
Step-by-step explanation:
1 blue jar = 21 marbles
1 blue jar = 3 red jars
Therefor
21 marbles= 3 red jars
(Now let m=1 red jar)
21= 3m
(Then sine we have 3m dived both sides by 3 to isolate the m)
21/3= 3m/3
7=m
Answer:
300000
Step-by-step explanation:
Three hundred thousand
Answer:
A.
Subtract 37 – 13. Then divide the difference by 4.
Step-by-step explanation:
After the box:
37 - 13 left
No. of bags:
(37 - 13)/4
Answer:30
Step-by-step explanation:
Step-by-step explanation:
The sum of all angles in a triangle is always 180.
So we can set up an equation
3/2x+1/2x+x= 180
3/2+1/2x+2/2x=180
3x+1x+2x=360
6x=360
x=60
