In a survey of collegestudents, each of the following was found. Of thesestudents,

358 owned atablet,

298 owned alaptop,

289 owned a gamingsystem,

196 owned a tablet and alaptop,

202 owned a tablet and a gamingsystem,

141 owned a laptop and a gamingsystem,

70 owned atablet, alaptop, and a gamingsystem, and

28 owned none of these devices.

How many college students weresurveyed?

b) Of the college studentssurveyed, how many owned a tablet and a gamingsystem, but not alaptop?

c) Of the college studentssurveyed, how many owned alaptop, but neither a tablet nor a gamingsystem?

d) Of the college studentssurveyed, how many owned exactly two of thesedevices?

e) Of the college studentssurveyed, how many owned at least one of thesedevices?