Carly is making three cakes for the bake sale. The second cake requires 1/2 cup more flour the the first cake. The third cake requires twice the amount of flour as the first cake. The two-pound bag of flour she bought has 8/1/2 cups-exactly the amount she needs. How much flour is needed for each cake

Answers

Answer 1
Answer: So, the first cake needs x cups of flower. The second x+1/2 and the third 2x

in total this is x+x+1/2+2x=4x+1/2.

this is equal to8/1/2

soo

4x+ (1)/(2) =8 (1)/(2)

4x= 8 (1)/(2)- (1)/(2)
4x=8
x=2

this is the first cake, the second will have 2(1)/(2)

and the last one twice as much as the first, so 4

let's check

2+2.5+4=8.5 correct!







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