Four times a number is four less than two times the number. What is that number?

Customers at an ice-cream shop took a survey .the results showed that 144 customers rated the shop as being "very satisfactory ."this number represented 45%of the total nunber of customers who took the survey

What is the probability of rolling a single die greater than 4

Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls