Adante begins to evaluate the expression 3 and one-third times 5 and one-fourth using the steps below. 3 and one-third times 5 and one-fourth
3 and one-third times (5 + one-fourth)
(3 and one-third times 5) + (3 and one-third times one-fourth)
(3 + one-third) (5) + (3 + one-third) (one-fourth)

Which could be his next step?
(3) (5) + (one-third) (5) + (3) (one-fourth) + (one-third) (one-fourth)
(3) (5) + (3) (one-third) + (3) (one-fourth) + (3) (one-third)
(3 and one-third) (3 and one-third) + (5) (one-fourth)
(3 and one-third + 3 and one-third) times (5 + one-fourth)

answer: -2+√x,-2-√x

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step-by-step explanation:

4.5%

step-by-step explanation:

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.

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