If you add them all together, you'd get 157. Then you divide by 7 and you'd get 31.4
Answer: History textbooks sold: 198
Psychology: 114
Step-by-step explanation: 312- 84= 228
228 divided by 2= 114
Add 84 to 114 to represent the history textbooks since they have more.
1 answer. 9876500
2 answer. 12350
3 answer 2468250
4 answer 135800
Answer:
120 of 130 ≈ 90.23%
Step-by-step explanation:
120 ÷ 130 = 0.92307692307