Answer:
137.5 is the answer
Step-by-step explanation:
2.5x5 is 12.5 and 2.5x50 is 125, add them and you get 137.5
Answer:It is -6, 0
3(x-1)+7=11
3x-3-7=11
3x-10=11
3x=11+10
x=21/3
x=7
sorry I tried But Don't Know The Answer