Metal Ware

A vase contains 90 kgs.of powdered milk and 10 kgs. of sugar. How much sugar must be added to make 25% sweet?

1.In making brass, the metals copper and zinc are to be mixed in the proportion of 4 parts of copper to 6 parts of zinc, by weight. how many kilograms of each are required to make 8 metric tons of brass?
2. How many kilogram of fine glucose must be added to 25 kilograms of a 12% sweetened juice concentrate to prepare instead a light syrup 20% sweet?
3. The square of the first number, exceeds the second number by 11. The square of the difference between the second number and the first is 361. Find the numbers.
4. The sum of the squares of the reciprocals of 2 nos. is 5/64. If 3 times the reciprocal of the 1st no. if added to 2 times the 2nd no., the result is the same as the product of the 1st no. and it reciprocal. Find the numbers.
5. Find two consecutive even numbers whose product is 360.
6. Find 2 consecutive positive integers whose product is 240.

Are you posting your math homework on here so that you don’t have to do it? =/