Answer:
150+25=55
Step-by-step explanation:
i cnt promise the right answer but i tried and
got really confused really quick
hope i helped
2"(3a+2)+(2a-1)"
2(5a+1)
10a+2
It would be: 1/20+1/12 = 3+5 / 60 = 8/60 = 4/30 = 2/15 = 7.50 hours
so, your answer is 7.50 hours