Question

please answer this question fast.
I want it immediately. please answer right. ​

Answer 1

Answer:

78:B

Step-by-step explanation:

because the half of 20 is 10 and when we add 20+10 then it becomes 30.

Answer 2

Answer:

78=a

79=d

80=a

81=c

82=b

83=d

84=a

85=b

86=b

87=c

88=a

89=c

90 =a