7y-3°=3y+13°
7y-3y= 13°+3°
4y= 16°
y=4°
Substitute y
7(4)-3°= 25°
3(4)+13=25°
180°-25°-25°=130°
2(2x+3)°+130°=180°
4x+136°=180°
4x=44°
x=11°
A delightful question.
I think I have it.
The number is 22 .
Its factors are 1, 2, 11, and 22 .
She can make 2 necklaces with 4 inches remaining of string.
