my final is 2 parts,1st part is 10% of overall grade,2nd is 25%, i got a 74% on the first part, what do I need on the second part to get an 80% overall?

Question

i have a 2 part final exam. the first part is worth 10% of our final grade, the second part is work 25% of my final grade, i have taken the first part that is worth 10% and got a 75%, what do i need to get on the second final worth 25% of my grade to get an overall grade of 80%?

Answer 1

??????? 10% & 25% ????

yu meen 2 tests make up 35% av yeer-grade?

portant thang be 10%*74+25%*x=80% av 35=28

7.4+0.25x=28

0.25x=28-7.4....=20.6

x=20.6/0.25....82.4