Problem
4) Ty runs his own landscaping business. He earns \( \$ 30 \) per hour pulling weeds, \( \$ 25 \) per hour raking leaves, and \( \$ 20 \) per hour cutting the grass. Ty wants to know how much he earns each week. (1) Which expression represents the total amount Ty earns for \( p \) hours pulling weeds, \( r \) hours raking leaves, and \( c \) hours cutting the grass? \[ 30 p+25 r+20 c \] 1) This week, Ty works 6 hours pulling weeds, 4 hours raking leaves, and 9 hours cutting grass. How much money does he earn? Ty earns \( \$ \) this week.
Solution
Step 1 ：30(6)+25(4)+20(9)
Step 2 ：180+100+180
Step 3 ：\$460
