Alberto has a mass of 52.2kg and then gains 2kg. Frank has a mass of 48.8 and then loses 3kg. After their weight change what is Albee and frank's mass

After their weight change Alberto's mass is 54.2 kg and Frank's mass is 45.8 kg

Step-by-step explanation:

step 1

Find Alberto's mass after the change

Adds the kilograms he gains to its original mass

52.2+2=54.2 kg

step 2

Find Frank's mass after the change

Subtract the kilograms he losses from its original mass

48.8-3=45.8 kg

therefore

After their weight change Alberto's mass is 54.2 kg and Frank's mass is 45.8 kg