exam Maths Puzzle Numerical Ability

I need to solve the following inequalities and show on the real number line.
3(2-3x)>5[x-2(x+5)]

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exam Other Question

This is pre-test question that is not in the book.
The function S(t) =239.2-11.5t can be used to estimate the total Cuban sales of windshield-wiper fluid, in thousands of dollars A company is selling a natural insect control that mixes ladybug beetles and praying mantises in the ratio of 7 to 4. If there are a total of 110 insects per package, how many of e