X + 3x = 12
(Or 4x=12)
the first x is the number of girls then the second x is the girls times 3, which is how many boys there are.
To find h, divide the area by the base:
h = 2442 / 12 = 203.5 km.
Answer:
15 yards
Step-by-step explanation:
proportion:
2/5:6/X
2x=30
x=15
Answer:
X = 0.272
Step-by-step explanation:
Firstly, use a common log on the 25 to undo it. Secondly, use the log25(144) on the other side to get ~ 0.54. Move the 1 over with subtraction and then divide out the 2. This will leave you with X= 0.272