Which phrase describes an unknown or changeable quantity?
a. 3 feet 7 inches
o
o
b. 4 quarts in a gallon
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c. the height of the building times
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d. 2 o'clock in the afternoon

the height of building times 1/2

Step-by-step explanation:

apex

5 pm

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