The fraction of girls in our class has risen 3/7 to 1/2 with the arrival of the henderson triplet girls. how many students are there in our class now?

  2087568668/1  

step-by-step explanation:

nada

step-by-step explanation:

answer:   x = 3 + √11     and     x = 3 - √11

step-by-step explanation:

x² - 6x + 9 = 11

(x - 3)² = 11

x - 3 = ±√11

    x = 3 ± √11

x = 3 + √11     and     x = 3 - √11