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Help Me Guys To Answer This I Really Really Need The Answer Please Answer This Guys Nonsense Will Bereport class=

Sagot :

Answer:

1. 30

2. 20

Step-by-step explanation:

1. a + b = 90

60+ b = 90

b = 90-60

b = 30

2. a+ b = 90

70+b = 90

b= 90- 70

b= 20