How much would $400 be worth after 6 years, if were invested at 2% interest compounded annually? (use the formula below and round your answer to the nearest cent.) a(t)=p(1+(r)/(n))^(nt)

Afactory adds 3 red drops and 2 blue drops of coloring to white paint to make each pint of purple paint. the factory will make 50 gallons of the purple paint. how many drops of red and blue coloring will the factory need in the 50 gallon batch of purple paint.

Atemperature of 1.64◦f corresponds to answer in units of ◦c.

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of