Grandmother and grandfather

Grandmother baked cakes. Grandfather ate half, then quarter of the rest ate Peter and Paul ate half of rest. For parents left 6 cakes. How many cakes maked the grandmother?

Correct answer:

x =  32

Step-by-step explanation:

xx/21/4 x/21/2 (xx/21/4 x/2)=6 xx/21/8 x1/2 3/8 x=6 38 x12 38 x=6  3/8 x3/16 x=6  3x=96  x=32=32

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