J + t = 30
j = 2t - 3
2t - 3 + t = 30
3t - 3 = 30
3t = 30 + 3
3t = 33
t = 33/3
t = 11 <=== tritt's age is 11
j = 2t - 3
j = 2(11) - 3
j = 22 - 3
j = 19 <== jan's age is 19
Step-by-step explanation:B
When squaring fractions, both the numerator and the denominator are squared:
12. (4/5)² = 16/25
13. (-5/12)² = 25/144
14. (13/6)² = 169/36
Answer: Toby will pay $34.45.
Step-by-step explanation:
I did 60% of 52 and the 6.25% of 52 and added my answers together.

Thickness of the book is ~
Refer to the attachment for solution ~