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katrin2010 [14]
3 years ago
11

Anita and Joelle bowl together and their combined total score for one game was 425 points. Anita’s score was 40 less than twice

Joelle’s. What were their scores?
Joelle: 180, Anita: 245

Joelle: 270, Anita: 155

Joelle: 140, Anita: 240

Joelle: 155, Anita: 270
Mathematics
2 answers:
Luden [163]3 years ago
7 0

Answer:

Joelle:155,Anita:270

Step-by-step explanation:

Hello, I think i can help you with this.

Step 1

define

Let

A, Anita's score

J, Joelle’s score

According to the question data

  • their combined total score for one game was 425 points.in mathematics terms it is:

       A+J=425,equation (1)

  • Anita’s score was 40 less than twice Joelle’s: it means that you can take twice joelle's score  and subtract 40 to obtain Anita's scor

       2J-40=A,equation (2)

     ,

Step 2

find the values A and J

replace A from equation (2) into equation (1)

A+J=425

(2J-40)+J=425

solve for J

2J-40+J=425

3J=425+40

J=465/3

J=155

Now, put the value of J in equation (1) or equation (2) to find A

A+J=425

A+155=425

A=425-155

A=270

Hence, Joelle:155,Anita:270

Have a good day

makkiz [27]3 years ago
6 0
It would be the last choice Joelle: 155, Anita: 270
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