Answer:
20$
Step-by-step explanation:
Alyssa has 25$.
Allowance of her new shirt = 4/5 of her allowance on a new shirt .
The amount she spent on her new shirt is calculated as:
25$ × 4/5
= 20$
Therefore, Alyssa spent $20 on her new shirt
1/6
420
(12 x 7) x (1+4)
84 x 5
=420