Jason went to the post office and bought both 41-cent stamps and 26-cent postcards and spent $10.28. the number of stamps was 4 more than twice the number of postcards. how many of each did he buy?

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

(x-5)1/2+5=2 what is possible solution of this equation

Adoughnut shop charges $0.50 for each doughnut and $1 for a carryout box. shirley has $10 to spend. which inequality can be used to find d, the number of doughnuts she could have bought if she also wants them in one carryout box?