20% of 89.75 is 17.95

so :

the Trina's coupon will subtract the answer by 10%:
10%of 71.8 is 7.18

so the final answer is:

she has to pay $64.62
hope this helps
Answer:
360 people
Step-by-step explanation:
x = 0.8x + 72 Subtract 0.8x on both sides
0.2x = 72 Divide 0.2 on both sides
x = 360
Answer:
A
Step-by-step explanation:
Answer:
join my kahoot
https://kahoot.it/challenge/09174317?challenge-id=67e37a3e-3175-473f-8bbe-bf5d0a6a5db5_1616009227053
Game PIN: 09174317
Step-by-step explanation:
Answer:
7.416198
Step-by-step explanation:
You must find out which number produces 55 when multiplied by itself