Check that 2b + b and 3b have the same value when b is: A) 1 (Yes or No, Explain)
B) 3 (Yes or No, Explain)

Option A is correct

Step-by-step explanation:

because,

2b+b and 3b

if b= 1

2(1)+1 and 3(1)

2+1 and 3

3 and 3

Hence Both have same value if b=1

y=3n + 1

step-by-step explanation:

this is wrong because it says the second number is one less and i added one instead

step by step resolutions

1) n+n+1+n+2=51

3n+3=51

3n=48

n=16

the three numbers are 16, 17 and 18.

2) x+15=4x

3x=15

x=5

radha is now 5 years old

3) the two digits are x and y.

y=3x

(10x+y)+(10y+x)=88

y=3x

11x+11y=88

y=3x

x+y=8

x+3x=8

x=2

the original number can be either 28 or 82.

4) n+(n+2)+(n+4)=48

3n+6=48

3n=42

n=14

the numbers are 14, 16 and 18.

5) y=x+3

10y+x+10x+y=143

y=x+3

11x+11y=143

y=x+3

x+y=13

x+x+3=13

2x=10

x=5

the original number can be 57 or 75.

hope this !