A rectangular garden has a walkway around it. The area of the garden is 4(3.5x+2.5). The combined area of the garden and the walkway is 5.5(6x+6). Find the area of the walkway around the garden as the sum of two terms.

It will take him 5 days

1. 0.3 •4 is the same as 4 groups of 0.32. 7•0.8 is the same as 7 groups of 0.83. it increases by 0.5 every time, so 0.5x4 it increases by 0.9 every time, so 0.9x5. 0.9•12=10.86. 0.47•5=2.35i can finish the next ones in a separate post