Attached solution and work.
Answer is 3x -24
Step by step
We perform distributive multiplication of the number outside the parentheses by the numbers inside the parentheses
Answer: after about 96 Minutes
Step-by-step explanation:
3 cm on the map represents 31.5 km in reality.
3cm : 31.5 km
1cm : 31.5/3 km
1cm : 10.5km
So the scale on the map is 1cm represents 10.5 km.
There is only one way, a rectangle that is one block by 17 blocks. This is because the only factors of 17 are 1 and 17.