Aha.. you forgot to attach a photo! its ok i have done that as well!
72÷4 first how many times does 4 go in 7? once what does it equal 4 so 7 -4 =3 how many times does 4 go into zero none so the answers 18
120 because when you round 119.63, the .6 rounds to a whole number, making it 120
Use the identity:
P(A or B)=P(A)+P(B)-P(A and B)
Substitute given values,
0.88=0.62+0.47-P(A and B)
=>
P(A and B)=0.62+0.47-0.88=0.21