Help me plz or I will fail

D - Can't be determined

Step-by-step explanation:

10 * 2 *4 * 16 = 1280

1280/2 = 640

the answer to your question a or b but i am pretty sure it is b. i hope this : )

step-by-step explanation:

it will cost dollar $540

the living room is 3 which means if we divide 325/3 then we get $108

therefore if 1part of the living room cost $108 and 3 costed $325

then total 5part of the room will cost 5*108 which gives $540