2. At an amusement park, 60% of the people were adults, and the rest were children. There were 720 adults. How many people were at the amusement
park in all?

225/100 of last years cost. write each fraction as a decimal and as a percent

What is the value of x? enter your answer in the box. (cm)

The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6