Answer:
4x-y=-9
Step-by-step explanation:
Answer:
11/13 x 4 = 3 5/13
Step-by-step explanation:
Answer:
i think it would be the first one
Step-by-step explanation:
not a wild guess but i am definetly not sure
Answer: what of the following
Step-by-step explanation:
Answer:
Therefore 80 ceperies will he need to sell this month.
Step-by-step explanation:
Average: Average is the ratio of sum of all numbers to the total number present in the data.
Given that Herbert has sold 99, 37, 86 and 73 copeirs in the last 4 months.
Let he need to sell x copeirs in this month.
According to the problem,

⇒ 99+37+86+73+x= 75×5
⇒295 + x= 375
⇒x = 375 - 295
⇒ x= 80
Therefore 80 ceperies will he need to sell this month.