exam Maths Puzzle Numerical Ability

nail polish remover is a mix of water & acetone. How much acetone must be combined with a solution that is 28% acetone to make 24 oz of a 58% solution?

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exam Other Question

"two numbers have the ratio of 6:5. Their sum is 88. find the numbers" Help! I need help with two problems on my pre-test for my finals.
1. Write log 125 base 5 = 3 in exponential form

2. Simplify:Log 6 base 6