A survey of 150 11th and 12th graders was given to determine what their favorite snack was. 90 said candy (40 of which are juniors). 40 said Chips (15 were seniors), and 15 juniors and 5 seniors said popcorn was their favorite. How many total preferred popcorn?

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60

50 plz, given the system of equations, match the following items. x + 3 y = 5 x - 3 y = -1 a) x-determinant b) y-determinant c) system determinant match the following to the pictures below.