And 3
1 1/3
7. Felicia. Grace, Joan and Marilyn share a sum of money. Felicia and Grace take
of the
sum of money respectively. After Felicia and Grace have taken their share, Joan takes of the
remaining money. After Joan has taken her share, Marilyn takes all of the remaining money. If
Marilyn's share is $75, find the original sum of money.
[3]

d (5 x (-20)) * (100 x (0.7))

step-by-step explanation:

5÷1/100 * -.7 *-20

copy dot flip

5*100 * -.7 *-20

rearrange

5*-20   * 100 *-.7

-100   *-70

7000

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