Answer:
6hrs and 20 minutes
Step-by-step explanation:
Out have to mutiply the whole number into a fraction then put it in the numerators spot. 1x3=3 1+3=4 4/3. Hope this helps.
9 LCM=3x3=9, 45 LCM=5x9=45, 81 LCM=9x9=81
product means multiply, at least means greater than or equal to
The product of a number and 5 is at least 45: 5n ≥ 45
If asked to solve, divide 5 from both sides: n ≥ 9
Answer: 5n ≥ 45