sebuah drum berisi minyak tanah sebanyak 75% bagian berapa literkah minyak tanah yang harus ditambahkan supaya drum berisi penuh minyak tanah​

360 different combinations

maximum area = xy = (16)(32) = 512 ft2

to maximize the area of the garden, the side of the fence parallel to the side of the house should be 32 ft long, and the other two sides should both have length 16 ft.'

source

not sure but it may be b, as i said i'm not sure.