test grades: 75, 82, 88, 70
Average = Total sum of all numbers/number of item in the set
Total sum of all numbers = 75 + 82+ 88 + 70 = 315
number of item in the set = 4
Average = 315/4 = 78.75
Shajananbe be bf NBC Judah’s
Answer:
Week and a day
Step-by-step explanation:
You have $30, you save $5 each week and your aunt gives you an extra $10. Equaling out to $15 per week. Since the bike costs $155.75, you subtract your $30, coming out to 125.75 then you divide it by 15 which is 8 days
