Stuart has been earning money for college by doing yard work during the summer. He mows lawns for $10, prunes bushes for $3, and trims trees for $20. For an extra charge, he also hauls away the clippings. In one week, he mowed 7 lawns, pruned 15 bushes, hauled clippings from four of the jobs, and trimmed 3 trees. How much did he earn that week