identify the class midpoints for the given frequency distribution 202 207 212 217 222 227 232 237 202.5 207.5 212.5 217.5 222.5 227.5 232.5 237.5 200 205 210 215 220 225 230 235 204 209 214 219 224 229 234 239

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?

Can someone show me step by step how to do this?

Aculinary club earns $1360 from a dinner service. they sold 45 adult meals and 80 student meals. an adult meal costs twice as much as a student meal. what is the cost of an adult meal?