Answer:
-7
Step-by-step explanation:
hope this helps youuuuu
20
i did this on a hw equation
n= (z)22E2
n=10× 99%÷ 0.07
480
On Thursday there were 400 customers
1/5 of 400 =80
Increase Thursday's amount by 80
400+80 = 480
Friday has 480
