Can you help me, please

If 20% of a number is 35, what is 50% of that number?

Ariel is working at a meat packing plant for 5 nights a week. her regular wage is $11 an hour. she earns tine and a half for any overtime hours. this week she worked 9 hours of over time .how much will ariel earn for overtime this week ?

Wich statement could be used to explain why the function h(x)= x^3 has an inverse relation that is also a function