Adam, Rob and Clare share some sweets in the ratio 4:5:8. Clare gets 12 more sweets than Rob. How many sweets did Adam get?

16 sweets

Step-by-step explanation:

Adam : Rob : Clare

4 : 5 : 8

Find the difference in units of Rob and Claire.

8 - 5 = 3 units

3 units = 12

1 unit = 12 ÷ 3 = 4

4 units = 4 x 4 = 16

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step-by-step explanation:

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225x²+4=0

225x²=0-4

225x²=-4

x²=-4/225

x=±√-4/225