para preparar un kilogramo de masa para elaborar pasteles se debe agregar 2 3/4 kg de harina ¿cuanta cantidad de harina se necesita para preparar 3 1/2 kg de masa?

I will need 9.625 cups of flour

From the information given, we have;

To prepare 3 1/2 kg de masa, we will have:

Divide both expression

1/3.5 = 2.75/x

x = 2.75 * 3.5

x = 9.625

Hence I will need 9.625 cups of flour

Learn more on Proportions here:

fist on the left goes with the third on the right. second on the left goes with the fourth on the right. third on the left goes with the second on the right. the fourth on the left goes with first on the right

-362

step-by-step explanation:

(12)(4)+2(12)-34(12)+2(12)-3

  \/         \/         \/         \/

  48 +   24 -   408 + 24 - 3

      \   /               \   /

          72     -     432 - 3 = -363