exam Maths Puzzle Numerical Ability

One number is 3 less than another. If 10 times the smaller number minus 3 times the larger number is 33, find the two numbers.

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exam Other Question

A person invested $10,000.00. The greater part is invested at 6% and the remainder at 5%. The annual income from the greater part is $160.00 more than the annual income from the smaller part. What is the smaller part of the investment? How do you graph f(x)=(x+5)^3