Videotape

Viera bought a videotape on which you can record programs with a total length of 240 minutes. She recorded a sci fi movie 1 hour and 28 minutes long, five ten-minute sessions "aerobics at home." Can she fits on the tape even film of Robin Hood who takes an hour and a half?

Result




Solution:

(60+28)+510+90240 228240(60+28)+5\cdot 10 + 90 \le 240 \ \\ 228 \le 240



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