The living and dining rooms are your most formal areas in the home. You want to put a nice hardwood floor in these rooms, which make up 15% of the total home. If installed hardwood is $7.00 per square foot, how much will you spend on flooring in these rooms?

A = 7 * ( T * 0.15 )

Step-by-step explanation:

In this question, since the actual square footage of the rooms is not provided we can instead create the following formula which will help you calculate the total amount that you will spend on flooring these rooms.

A = 7 * ( T * 0.15 )

In this formula, variable A represents the total dollar amount that will be spent on flooring while T represents the total square footage of the entire home. T is multiplied by 0.15 which is the 15% of the home that makes up the living and dining rooms and then this square footage is multiplied by the cost of the flooring per square footage. Ultimately providing you with the total cost.

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step-by-step explanation:

step-by-step explanation:

the original amount doesn't ''re just looking for the time it takes for 1/2 of the substance to we have

(1/2) =)     take the ln   of both sides

ln (1/2)   = )   and we can write

ln(1/2) = ) lne     and lne   = 1     so we have

ln(1/2) = -.1092t     divide both sides by -.1092

t = ln(1/2)/-.1092 = about 6.347 days = about 6.3 days (rounded)