The factor pairs of a number when multiplied give the original number.
Therefore, all the factor pairs of 28 are:

The correct choice is the first one
There are 18 girls in the class and 6 boys.
Answer:
Pedro spent 9 weeks with his uncle and his friend.
Step-by-step explanation:
First, you need to find the amount of weeks Pedro spent with his friend. The statement indicates that he spent two weeks more with his friend than with his uncle which means that you have to add the number of weeks he spent with his uncle plus 2, which you can show in a number line:
2
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1 2 3 4 5 6 7 8 9 10

Now, you can find the and answer by adding up the number of weeks he spent with his uncle plus the weeks he spent with his friend:

__________________________________
1 2 3 4 5 6 7 8 9 10

According to this, the answer is that Pedro spent 9 weeks with his uncle and his friend.
Answer:
Jamie spent $39.36 in total.
Step-by-step explanation:
First, add the money spent for the sandwich, beverage, and fruit together.
4.75 + 1.25 + .56 = 6.56
Then, multiply the amount spent for one friend by six to find the total.
6.56 x 6 =39.36
I hope this helped you!
Answer:
880
Step-by-step explanation:
20 x 10% = 2
20 + 2 = 22
22 x 40 = 880