Set up the equation by writing the number of students in the ratio as a fraction:
3/4= (245-x)/x Cross multiply:
3x= 4(245-x) Multiply on right:
3x= 980-4x Add 4x on both sides:
7x= 980 Divide both sides by 7:
x= 140 this is how many girls there are. And:
245-140= 105= boys
Pretty sure the distributive property my friend
<span>What is 80.68 +79.56 equal?
</span>80.68+79.56 =160.24
Answer: Since you didn't include the picture, I can give you the description so you know how to pick the correct answer.
The third quartile of a data is always shown in a box plot. In the middle of your graph should be a box. The third quartile is the value that goes with the far right edge of the box.
Answer:
4
Step-by-step explanation:
9x=10x-4
x=4
