HELP HELP MNHS

Sugar solution is composed of 40 grams of sugar and 200 grams of water. How many grams of sugar must be added to make a 60% sugar solution? (Kindly write the equation..... tnx)

A certain amount of money is invested at 6% per year. A second amount is P5000 larger than the first is invested at 8% per year. The interest from the investment at the higher rate exceeds the income from the lower investment by P500. Find the investment...

A car travels 20 km/h faster than a truck. The car covers 360 km in 3 hours less time than the truck.Find the speed of the truck. (kindly write the solution, thanks alot)

the nth term of a series is 9n-7. what is the result of subtracting the kth term from the (k+1)th term? (with solution pls, thnx)

the nth term of the geometric progression is 3(2^n-1). how many terms are less than 200?

150 lbs x 1kg/2.2 lbs = 68.18 kg

sir what do you mean by vt and tt, vc and tc... tnx....