X + y = 3
x^2 + y^2 = 5
Solve

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

For the equations below which statement is true ?

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?