plz help me I will be giving a brainliest to the first person to answer

Does anyone know of a quizlet or something for edmentrum /plato algebra 1

Tomas is making trail mix using granola and walnuts. he can spend a total of $12 on the ingredients. he buys 3 pounds of granola that costs $2.00 per pound. the walnuts cost $6 per pound. he uses the equation to represent the total cost, where x represents the number of pounds of granola and y represents the number of pounds of walnuts. he solves the equation for y, the number of pounds of walnuts he can buy. answer- b tomas added 6 to both sides of the equation instead of subtracting 6. just took the test

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?