Explanation:
x+6x=21
7x=21
x=3
6x=3×6= 18
Gemma gets 3 and Zak got 18
Answer:
Gemma gets 3 biscuits
Zak gets 18 biscuits
1:6 = 1+6
= 7
1/7 * 21 = 3
6/7 * 21 = 18
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