book Maths Puzzle Numerical Ability

can you please help me with this problem..
32-5c-2(c-1)=-50

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book Other Question

Some students planned for a get together. The budget for food was $500.00. Five of the students failed to come because of the distance and therefore the cost of food for each stud Ted Burton invested his savings in 50 shares of stock. In 3 days, the stock gained 3 1/8 points, lost 3/4 of a point, and gained another 1/8 of a point. What was the net gain of th