Workers are required to pay 4.5% of their salaries into an education fund. A worker's salary is 120 Ghana cedis. How much does he pay into the educational fund?

An equation where variables are used to represent known values—function notation true or false

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.

Noel is hoping to make a profit (in $) on the school play and has determined the function describing the profit to be f(t) = 8t – 2654, where t is the number of tickets sold. what does the number 8 tell you?