Question

Mariella compared 9 different brands of ice cream and found that the average price of the 9 brands is equal to ₱254. As she was going to another store she found two other brands that cost ₱282.00 and₱292.00 respectively. What will be the resulting average of the 11brands?​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Given :- Mariella compared 9 different brands of ice cream and found that the average price of the 9 brands is equal to ₱254. As she was going to another store she found two other brands that cost ₱282.00 and₱292.00 respectively. What will be the resulting average of the 11brands ?

Solution :-

we know that,

• Average = (sum of all observations.) / (Total Number of observations.)

so,

→ Average Price of 9 different brands of ice cream = ₱254

then,

→ Total Price of 9 different brands of ice cream = Average * Total number of brands = 254 * 9 = ₱2286 .

now,

→ Total Price of 2 other brands of ice cream = 282 + 292 = ₱574 .

then,

→ Total price of 11 ice - cream = Total Price of 9 different brands of ice cream + Total Price of 2 other brands of ice cream = 2286 + 574 = ₱2860 .

therefore,

→ Average of 11 brands = (Total Price) / (Total number of brands) = 2860/11 = ₱260 . (Ans.)

Hence, the resulting average of the 11 brands is ₱260 .

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