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:

answer is more than one

step-by-step explanation:

b

step-by-step explanation:

given

- 2 (3x + 12y - 5 - 17x - 16y + 4 )

simplify the parenthesis by collecting like terms

= - 2 (- 14x - 4y - 1) ← distribute the parenthesis by - 2

= 28x + 8y + 2 → b