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 By: JessicaTan (offline)  Thursday, October 11 2012 @ 08:50 AM CDT (Read 827 times)
JessicaTan

Hi, pls help with working solution.

6) Stephen and Tina have some stamps. After Stephen gives Tina 26 stamps, he has 40 stamps more than her. How many more stamps than Tina does Stephen have at first? (ans : 92)

7) Cheryl and Serene have some money. If cheryl gives Serene \$20, they will have the same amount of money If Serene gives Cheryl \$25, Cheryl will have twice as much money as Serene. How much money does Serene have?
(ans : \$115)

Rdgs
Jessica

Regular Member

Registered: 10/17/09
Posts: 82

 By: mhbar1986 (offline)  Saturday, October 13 2012 @ 03:15 AM CDT
mhbar1986

6) _______________________________
S I_____________I___26____I__40____I
______________ _ _ _ __
T I_____________I_ _ 26_ _ _I

If you return the 26 back to Steven, the difference in their number would be:

26 + 26 + 40 = 92

7) If cheryl gives serene \$20, they have the same amount ---> Cheryl has \$20 x 2 = \$40 more than Serene.

___________________________ _ _ _ _
C I__________I___25___I__40___I _ _ 25_ I
___________ _ _ _
S I__________I_ _25 _ _I

1 unit ---> \$25 + \$40 + \$25 = \$90

Sheryl original amount ----> \$90 + \$25 = \$115

Newbie

Registered: 10/06/12
Posts: 4

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