79 is the length because
292-2(67)= 158
158/2 = 79
Answer:
1. -1z-3
2. 4x+2
3. -y+11
4. 7a-22
Step-by-step explanation:
Not too sure about the last one
I dont know how to this but you probably make 4 3/8 and 2 1/2 into a decimal add all them together...
First add the prices of the original books.
2.5+4.95+6=11.45
Find 20% of 11.45
=2.29
Therefore I saved $2.29
