Question

One floor of a dollhouse is 1.6 feet tall. The dollhouse contains two levels of living areas and an attic for a total of 2.5 floors. Jaime estimates the height of the dollhouse by computing 2 times 3. How does her estimate compare to the actual height of the dollhouse?

Answer 1

Given :- One floor of a dollhouse is 1.6 feet tall. The dollhouse contains two levels of living areas and an attic for a total of 2.5 floors. Jaime estimates the height of the dollhouse by computing 2 times 3. How does her estimate compare to the actual height of the dollhouse ?

Solution :-

Given that, one floor of a dollhouse is 1.6 feet tall and the dollhouse contains a total of 2.5 floors.

So,

→ Height of 1 floor = 1.6 feet

→ Height of 2.5 floors = 1.6 * 2.5 = 4 feet

Therefore, Total height of the dollhouse is 4 feet.

Now, given that, Jaime estimates the height of the dollhouse by computing 2 times 3.

So,

→ Height estimated by Jaime = 2 times 3 = 2 * 3 = 6 feet.

Than,

→ Actual height of dollhouse = 4 feet .

→ Estimated height of dollhouse = 6 feet.

→ Error in estimation = 6 - 4 = 2 feet.

Hence, the actual height is 2 feet less than the estimated height .

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Answer 2

$\huge{\underline{\underline{Given}}}$

⇝ Height of one floor = 1.6 feet.

⇝ Dollhouse contains two levels of living areas and an attic for a total of 2.5 floors.

$\therefore$ Height of 2.5 floors = (1.6 × 2.5) feet

= 4 feet

$\huge{\underline{\underline{Solution}}}$

➮ Total height of the dollhouse is 4 feet.

But Jaime estimate the height of the dollhouse by computing 2 times 3.

➮ Height estimated by Jaime = 2 × 3 feet

⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ = 6 feet

Now,

⟹ Actual height of the dollhouse = 4 feet

⟹ Estimated height of the dollhouse = 6 feet

$\bf{Comparison}$

↪ (6 - 4)feet

↪ 2 feet

Hence, the actual height of dollhouse is 2 feet less than the estimated height of the dollhouse.