a doll house has 15.5 square feet downstairs and 6.25 square. feet upstairs. which of the following is the best estimate of the
2 answers:
Answer:
The correct answer is : B.21 square feet.
Step-by-step explanation:
A doll house has 15.5 square feet downstairs and 6.25 square feet upstairs.
The best estimate of the total area in the dollhouse will be = combined area of both the floors.
=> = 21.75 square feet
Therefore, the correct answer is option B = 21 square feet.
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Answer:
Hopefully, this is your desired setup. (I noticed the formula you have to fill in there.)
Have a good day.
Step-by-step explanation:
Hi.
You could use the percent change formula.
Since we know it is a percent increase then we will do new-old instead of old-new:
x is the new amount of shampoo.
16.5 is the original amount (old) of shampoo.
The percent increase is 30%=0.30 .
So we have the following equation:
We could have found the equation like this:
Subtract 16.5 on both sides:
Divide both sides by 16.5:
By us of symmetric property of equality: