The two-way frequency table shows the number of social media contacts for 7th- and 8th-graders.

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

Will give brainliest what is the value of x? enter your answer in the box.

The function models the number of accidents