Evergreen Landscaping bought 7 tons of​ topsoil, 4 tons of​ mulch, and 3 tons of pea gravel for ​$3655.The next week the firm bought 2 tons of​ topsoil, 3 tons of​ mulch, and 8 tons of pea gravel for ​$3312. Pea gravel costs ​$29 less per ton than topsoil. Find the cost per ton for each item.
Price for 1 topsoil=
Price for 1 mulch=
Price for 1 pea gravel=