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Slav-nsk [51]
3 years ago
7

Malina has to bowl four games in her league. She bowled a 149, 162, and a 152 in her first three games. She wants to have an ave

rage score of 154. What score does she need in her fourth game?
153
152
155
154

A is right correct lol
Mathematics
1 answer:
alina1380 [7]3 years ago
6 0

Answer:

She needs 153

Step-by-step explanation:

Let x be the score in the 4th game

To find the average add up the scores and divide by the number of scores added

(149+162+152+x) /4 = 154

Multiply each side by 4

(149+162+152+x) /4  *4= 154*4

(149+162+152+x)  = 616

Combine like terms

x+463=616

Subtract 463 from each side

x+463-463 = 616-465

x = 153

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