The ratio of boys to girls in a class is 4:2. There are 30 students in class. How many girls and boys are there?
1 answer:
You might be interested in
Answer:
Step-by-step explanation:
Frequency table for the height of the seedlings,
Height (in inches) Number of seedlings
2
4
2
2
Now we can draw the line plot as attached.
Average height of the seedlings =
=
=
Answer:
Answer: x equals to 2 and -5
Step-by-step explanation:
» Factorise the equation quadratically: