Your answer is 1,631. Thanks (;
S = (n-2) x 180 to find the total angles.
5-2*180
3*180
540
540-86-140-138-59=117
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.
Stem/leaf
4/2
5/
6/7
7/3,8
8/2,4,6
9/1,4
