Step-by-step answer:
If there are 40% students that are girls , and the rest are 250 boys. Then that must mean there are 60% boys. Because that is the compliment.
i)
Because we know that 60% of the people in the group are boys, and that the amount of boys amounts to 250, we can model an equation like this.
.


There are 417 students
ii)
Because we know that the total amount is 417, we can find the amount of girls there are by multiplying the total by the percentage.

There are 167 students that are girls.
Answer=3500 grams are in 3.5 kilograms. multiply the mass value by 1000
Answer: 12°30’
Step-by-step explanation:
What how do you get an 80
14-1= 13 or it can be 16-3 =13