A letter box of dimensions 4 feet × 2 feet is painted in the front. Find the total cost of the painting, if 1 square feet costs $2.

$10

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$16

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$100

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$200

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Solution

The correct option is B $16
Area of the letter box
= Length × Width
= $4 \times 2$
= 8 square feet

Cost of 1 square feet of paint
= 2 dollars

Total cost = $8 \times 2$ = 16 dollars

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A letter box of dimensions 4 feet × 2 feet is painted in the front. Find the total cost of the painting, if 1 square feet costs $2.

The correct option is B $16Area of the letter box = Length × Width = 4×2 = 8 square feet Cost of 1 square feet of paint = 2 dollars Total cost = 8×2 = 16 dollars

The correct option is B $16
Area of the letter box
= Length × Width
= $4 \times 2$
= 8 square feet

Cost of 1 square feet of paint
= 2 dollars

Total cost = $8 \times 2$ = 16 dollars