I 3. Anayah is playing a game. She started with 10 points. In the first round she
lost 20 points. In the second round she won 45 points. Which of the
following shows the changes in Anayah scores?
a) 10 - 20 +45
b) 10 - 20 – 45
c) -10 - 20 + 45
d) -10 – 20 - 45

A.

Step-by-step explanation:

It's set up exactly as it is said. She starts with 10 points automatically so you would put:

10

Then it says that she lost 20 points. Losing is subtraction. You would add this to the equation:

10-20

Then it says she won 45 points. Winning is addition. You would add this to the equation:

10-20+45

This equation matches up with A. thus A. being the correct answer. If they ask for the answer, it is 35 by the way. Hope this helps!

no ,sorry if you needed it but you can ask and try to see if any one will anwser ,

step-by-step explanation:

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have a nice day

answer: 8 years

step-by-step explanation:

the explanation is that in 8 years the child will be 20 and in 8 years the father will be 40 and 20 is half of 40.