5. Mrs.Weed's puppy weighed o.236 kg when it was born. At the next check-up it weighed 0.37 kg. How much weight had it gained?
6. On Monday, Marc walked 9.71 kilometers. On Tuesday, he walked 3.56 kilometers less than he had walked on Monday. How far did Marc walk on Tuesday?
7. A chef bought 1.7 kilograms of almonds and 4.2 kilograms of pecans. How many pounds of nuts did the chef buy in all?
PLEASE HELP ME AND I WILL GIVE YOU BRAINLIEST.