a square backyard has an area of 144m2. Cedars are going to be planted on three sides of the yard. They will be planted every half metre, starting and ending next to the house. How many cedars will be planted.

if a = 1,   and b = 2, then the answer is 47.99999999. if you round that to the nearest whole number, the answer is 48.

7.25

step-by-step explanation:

we know that 7 equals to 7.0. we also know that 1/4=0.25. so we can add the two together and we get 7.25