Can someone plz help me with this one problem plz I’m being timed!!

(I’m marking brainliest)

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

2,10,-50 next two numbers geometric sequence

Answer asap. you begin with 1/2 scoop of ice cream. since you're hungry, you ask the vendor for 2/7 more scoops of ice cream. then, you eat 5/8 scoops. how many scoops of ice cream are left on your cone? i will mark brainliest for first correct answer.