Answer: 55.041
Step-by-step explanation:
The answer to #5 is 171
The answer to #6 is -344
I think it would be irrational but I might be wrong I’m not a expert well I am but I sorta don’t get it
77/5=99/x
77x=5*99
77x=495
x=495/77
x=6.4
she needs to study 6.4 hrs to get 99
