4. Anna, Beate and Cindy buy a bag of 30 biscuits together. They get 10 biscuits each. But Anna has paid 80 cents, Beate 50 cent s and Cindy 20 cents. How many more biscuits should Anna have got, if they had shared them in proportion with the amount they had each paid? (A) 10 (B)9 (C) 8 (D) 7 (E) 6
1 answer:
Answer:
Step-by-step explanation:
<u>80:50:20 or 8:5:2. 8 ÷ 15 * 30 = 16 = 16 - 10 = 6. This is the solution.</u>
Option A. 30 + 10 = 40. Incorrect. The solution is unequal to this. Option B. 30 + 9 = 39. Incorrect. The solution is unequal to this. Option C. 30 + 8 = 38. Incorrect. The solution is unequal to this. Option D. 30 + 7 = 37. Incorrect. The solution is unequal to this. Option E. 30 + 6 = 36. Correct. The solution equals this answer. <u>Option E will be the answer.</u>
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