9 + x = 17
17 - 9 = x
x = 8
Answer:
Each algebra book costs $60.
Step-by-step explanation:
A=bill for algebra books; S=bill for science books=A+$360
S+A=$3960 Substitute for S
A+$360+A=$3960 Subtract $360 from each side.
2A=$3600 Divide each side by 2.
A=$1800 The order for 30 algebra books cost $1800.
Individual book=A/30
individual book=$1800/30=$60 ANSWER: Each algebra book cost $60.
Answer:
1,500 G
Step-by-step explanation:
1 Kilogram (Kg) = 1,000 Grams (G)
8-6.5= 1.5
1.5x1,000=1,500