Answer: School Y has 4 points and School X has 12 points.
Explanation:
Let the number of points School Y has be x
Let the number of points School X has be 3x
According to question, we get

So, the number of point School Y has 4.
and number of points School X has

Hence, School Y has 4 points and School X has 12 points.
You must be 5 feet. Yes you can go on the ride if you are 5 feet because 60 inches equals 5 feet
862,840 is rounded to 900,000
Answer:x=143
Step-by-step explanation: set 128=X-15 add 15 to both sides
Answer:
0.9 dm³
Step-by-step explanation:
1 dm = 10cm
1 dm³ = 10cm×10cm×10cm = 1000 cm³
1000 cm³ .............. 1 dm³
900 cm³ ................x dm³
x = 900×1/1000 = 0.9 dm³