Answer:
Each cookie costs $1.30
Step-by-step explanation:
7x+2=11.10
Subtract 2 from both sides
7x=9.10
Divide both sides by 7
x=1.30
6000 - 1800 = 4200
4200/4 = 1050
so she donated 25% to charity
Answer:
a. 12 yd
Step-by-step explanation:

Answer:
1/3
Step-by-step explanation:
let x=0.333...
10x=3.333...
subtract
9x=3
x=3/9=1/3
Answer:
the answer is 120.6 (:
Step-by-step explanation: