Set up and solve a system of equations. Be sure to define the variables. Racquel and Josh sold cookies and brownies at the math club bake sale. The cookies cost $0.25 each, and each brownie costs $0.75. They sold a total of 400 treats and raised a total of $207.50. How many of each treat did they sell?

With this question substitute t=3 and t=5 to determine if the two expressions are equivalent. 4(t + 3) 4t+12 which statements are true? check all that apply. a. the value of both expressions when t =5 is 32. b. the two expressions are not equivalent. c. the value of both expressions when t=3 is 15. d. the value of both expressions when t=5 is 23. e. the two expressions are equivalent. f. the value of both expressions when t=3 is 24.