Find the ratio a:b, if it is given that ...

1) 2a=9b

2) a/5 = b/7

3) 6a-3b=5b

4) a+b=3b

5) a-2b/a+2b = 1/2

6) 2a-3b/5 = a+b/3

Molly bought a pair of gloves and a skirt. The gloves cost £4. She sold teh gloves and the skirt for a total of £48. She made 100% profit on the cost of the gloves. 20% profit on the total cost.

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BD is diagonal of square ABCD if m angle abd = (5x-10) find x

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8 times 5 minus 2 plus 4 divided by 2 equals 33 when

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