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SASMO 2019 Grade 6 Question 7

SASMO · SASMO 2019 Grade 6

Question 7

Annabelle, Betty, Cynthia and Dora are playing a new video game. After the first round:
- Cynthia’s gold coins equal the average of Annabelle’s and Betty’s.
- Annabelle’s coins are half of Betty’s.
- Betty and Dora have the same number.
- Dora has 10 more coins than Cynthia.

What is their total number of gold coins?
  1. 140
  2. 130
  3. 70
  4. Insufficient data
  5. None of the above