Question

convert 7 rays 6 hours into hours

Answer 1

so you mean 7 days and 6 hours into hours
....ok here's your answer
__1day=24 hours
so 7 days=7×24 hours
=168
so answer is 168+6=174 hours

Answer 2

if there is 7 day and 6 hours then
7×24=168
168+6=174

the answer is 174hours