Two quantities vary inversely. if the value of the first is 15 when the value of the second is 18, find the value of the second quantity

A. use the formula for continuous compounding with the original example: $1000 invested at 2% for 1 year. record the amount to 5 decimal places. use a calculator. b. compare it to the result using the original compound interest formula with n = 365 calculated to 5 decimal places. which has a larger value? explain.

Can someone explain to me how to do

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.