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
It appears you are doing well. You have already gotten the eighth answer! If you need any other help you can ask me.
Answer:
do ur test by ur own understanding... xD
Step-by-step explanation:
<h3>all the natural numbers can be expressed in the form of the product of its prime factors.</h3>
Answer: the system has no solution
Step-by-step explanation: for a solution to occur the lines have to cross
If there are 92 muffins in total and 17 are blueberry, and 23 are cranberry then the remaining muffins (chocolate chip) is 52 muffins.
