Monday, March 29, 2010

Fraction P6 2009 SA2 P2 MGS Q14

14. Sally had some beads. On Monday, she gave half of her beads to her sister. On Tuesday, she used ¼ of the remaining beads to make a necklace and bought another 426 beads. After that, she had 957 beads. How many beads did Sally have at first?


                   N          S
[   ][   ][   ][   ][   ][   ][   ][   ]
                [     426     ] 957

3 u -- > 957 – 426 = 531

8 u -- > 8/3 x 531 = 1416 beads

Sally had 1416 beads at first.


26.19% of rectangle ACDF is shaded.

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