exam Maths Puzzle Numerical Ability

Given two six sided dice, compute the probability of rolling a nine.

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exam Other Question

To form a 10% copper alloy weighing 75 grams, a 6% copper alloy is combined with an 18% copper alloy. How much of each type should be used? Can someone help me solve this problem?

The width of a swimming pool is 18.5 ft., and the length os 10.75 ft. I need to write the ratio of the length to width as ratio of whole numbers.
Thanks,
Lyn