Salt water is flowing into a large tank that contains pure water. The concentration of salt, c, in the tank at t minutes is given by:c(t)=10t/25+t

where c is measured in grams per litres. When does the salt concentration in the tank reach 3.75 g/L?

One-third of the people from country a claim that they are from country b, and the rest admit they are from country a. one-fourth of the people from country claim that they are from country a, and the rest admit they are from country b. in a combined census of the two countries, one-half of the total claimed to be from a. what is the ratio of the populations of country a to that of country b.

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d? are he re