The admission fee at an amusement park is $1.50 for children and $4 for adults. On a certain day, 309 people entered the park, and the admission fees collected totaled $770.60. How many children and how many adults were admitted?

Write a numerical expression that satisfies all of the following conditions. 1.)the only number used in the expression is 5 2.)at least one exponent other than 1 is used 3.)when the expression is evaluated, the answer is greater than 40 and less than 50

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

Two corresponding sides of two similar triangles are 3cm and 5cm. the area of the first triangle is 12cm^2. what is the area of the second triangle?