Erika is making cookies the recipe she has makes 20 cookies but she wants to make 60 cookies if she needs 2 cups of flour for 20 cookies how many cups of flour will she need for 60 cookies?

The answer is 6 cups.

Step-by-step explanation:

If 20 cookies are 2 cups, that means that 10 cookies are 1 cup. If you see the pattern, the answer would easily be 6 cups.

it will cost dollar $540

the living room is 3 which means if we divide 325/3 then we get $108

therefore if 1part of the living room cost $108 and 3 costed $325

then total 5part of the room will cost 5*108 which gives $540

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!