Answer:
7
Step-by-step explanation:
7+2= 9
16-9=7
The answer would be C because 63 hats were sold and nine would be the amount of shirts he sold in x amount of days
A is the correct answer. Both diagonals would be the same length as it is a rectangle and when you substitute 7 for X in the equations, the answer is 26 for both.
A fact family is a group of math facts using the same numbers.
Example:
Using the numbers: 5, and 2,
5 ∙ 2 = 10
2 ∙ 5 = 10
10 ÷ 2 = 5
10 ÷ 5 = 2
The answer is (if going by letters A-D) D