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Luda [366]
3 years ago
10

Jon and Lexi are playing a marble game. According to their rules, 4 points are awarded for each red marble collected and 7 point

s are awarded for each blue marble collected. Which expression represents Jon's total score if he has r red marbles and b blue marbles?
1. 4r − 7b
2. 2r − 7b
3. 11rb
4. 4r + 7b
Mathematics
2 answers:
lesantik [10]3 years ago
5 0
For a red marble you have 4 points and a blue you have 7, therefore  the R(number of red marble) and B( blue marbles)
 the answer is gonna be :{4r+7b}
Hope this help

san4es73 [151]3 years ago
4 0

Answer:

Option 4 is correct

4r + 7b

Step-by-step explanation:

Here, r represents the red marbles and b represents the blue marbles.

As per the statement:

Jon and Lexi are playing a marble game.

According to their rules,

4 points are awarded for each red marble collected and 7 points are awarded for each blue marble collected.

4 points are awarded for each red marble collected

⇒Total number of red marbles collected =  4r

7 points are awarded for each blue marble collected.

⇒Total number of blue marbles collected = 7b

We have to find the  expression represents Jon's total score.

John's Total score = 4r + 7b

Therefore, 4r+7b is the  expression represents Jon's total score if he has r red marbles and b blue marbles

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