contestada

a family is making a patio inn the back yard. They are using patio blocks that measure 12 inches by 6 inches. If the patio is to be 14 feet by 12 feet and each block costs 75 cents, how much will the patio cost in dollars?

Respuesta :

TIP

CONVERSION

1 FT = 12 inches

100cents = $1

SOLUTION

They are using patio blocks that measure 12 inches by 6 inches =72 square inches

72square inches = 0.5 square feet

The patio is to be 14 feet by 12 feet=168 square feet

They would therefore need;

[tex]\frac{168}{0.5}=336\text{ blocks}[/tex]

Since each block costs 75 cents, The patio would cost 336 x 75 = 25200 cents or $252

Otras preguntas