exam Maths Puzzle Numerical Ability

Please help me I having trouble with this problem.

Science and medicine.Celsius temperature reading can be converted to Fahrenheit reading using the formula F=9/5 C=32.

Read Solution (Total 0)

exam Other Question

Paul invested $12,000 some at 14% annual interest and the rest at 10%. Last year he earned $1632 in interest. How much money was invested at each rate?

Thanks so much for any help. Solve the equation
x/3=4/(x+1)