Exemplo 7.49 de Prealgebra, 7.5 Systems of Measurement

Systems of Measurement: exemplo 7.49

Problema e solução em inglês, como no livro original.

Anthony bought four planks of wood that were each $6$ feet $4$ inches long. If the four planks are placed end-to-end, what is the total length of the wood?

The image shows 4 planks of wood placed end-to-end horizontally. Each plank is labeled 6 feet 4 inches. A line starts at the left of the first plank and runs horizontally to the right of the fourth plank. The line is labeled with the letter l to represent length.

Resolva no papel primeiro. Depois abra a solução um passo de cada vez e pare assim que conseguir terminar sozinho.

Solução
We will multiply the length of one plank by $4$ to find the total length.

Multiply the inches and then the feet.

Convert 16 inches to feet. 24 feet + 1 foot 4 inches

Add the feet. 25 feet 4 inches

Anthony bought 25 feet 4 inches of wood.

Sua vez

O Try It do livro logo depois deste exemplo: mesma ideia, outros números. Só a resposta é dada.

Henri wants to triple his spaghetti sauce recipe, which calls for $1$ pound $8$ ounces of ground turkey. How many pounds of ground turkey will he need?

Como foi?

Multiply the inches and then the feet.
Convert 16 inches to feet.	24 feet + 1 foot 4 inches
Add the feet.	25 feet 4 inches
	Anthony bought 25 feet 4 inches of wood.

Solução

Sua vez

Solução

Sua vez