Answer:
-1.70588235294
1. X3, 15x - 10y = 80 15x - 7y = 51
-17y = 29
2. 8 = 1/60 + a. 8 - 1/60 = 7.98333333333
6 = 1/80 + b. 6 - 1/80 = 5.9875
13.9708333333
3. I genuinely dont know sorry.
4. Pencil = $0.05. Pen = $1.05
Step-by-step explanation:
Answer:
18 pluse 6 equals 14
Step-by-step explanation:
just add
The GCF for 18 and 45 is 9.
The answer is 9 because half of 14 is 7, and 7+2=9