different interest rates, show all steps to solving problem

Jack invested 30.000 and received 2.300 in interest.part of money was invested at 10% the remainer at 5%, how much was invested at each rate

write a system of two equasions in 2 unknowns. solve each system by substitution

tickets for a concert was sold to adults for $3 and to students for $2. total receits were $824 and if twice as many adult tickets as student tickets were sold, how many of each was sold

solve each system by addition method, show all steps to solving problem

3x+4y=-5 5x+6y=7

Solve each system by the addition method, show each step in solving equasion

x+y=48 12x+14y=628

Solve each system by the addition method . Write whether the equation is is independent, dependent, or inconsistent

Solve each system by the addition method. Write whether the equation is is independent, dependent, or inconsistent. 5x-y=1 10x-2y=2

solve each system by addition method, show all steps to solution

x/4-y/3=-4 x/8+y/6=0

solve each system by addition method, show all steps to solution

1.5x-2y=-0.25 3x+1.5y=6.375

solve each system by the substitution method. write wheather the equasions are independent ,dependent or inconsistantt

x+y=4 x-y=5

write all steps to solution

The formula used to calculate the percentage of body fat for men is %body fat = (-98.42+4.15w-0.082b)/b where w is the waist measurement in inches and "b" is the total body weight in pounds. What is the body fat for a man weighting 156 pounds and waist measurement 32 inches. Round to the nearest integer

simplify the following algebraic expression. write all steps

2(3a-5b)-2(6a-b)