seven students each stent 15 minutes at the classroom computer. an eighth studentworked 18 minutes. what is the tolal computer time in minutes and hours

2 answers

7 * 15 = 105 minutes

105 + 18 = 123 minutes

Divide: 123/60 = 2 3/60 = 2 hours and 3 minutes.
wht is reciprocal proper fractionn