Find the next number in the pattern

1.) 5,8,11,14,17,...
2.) 3,6,12,24,48,...
3.)4,5,7,10,14,19,...
Can some help me find the next number in each pattern?

Step-by-step explanation:

The first pattern is add 3 so the next number is 20

The second pattern is multiply by 2 so the next number is 96

The third pattern is the first digit you add 1 then 2 then 3 then 4 then 5 then 6 so the answer is 25

a

step-by-step explanation:

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answer: the price of one pound cabbage = $ 0.8

the point (10,8) represents that the cost of 10 pounds cabbage is $ 8

step-by-step explanation:

since, here is a proportional relation between the number of pounds of cabbage (x) and the price in dollars (y).

therefore, we can write,

⇒ y = k x

where k is the constant of proportionality.

now, point (5,4) is in the line.

thus, it will satisfies the above equation of line.

⇒ 4 = 5 k

⇒ k = 0.8

thus, the equation of the line is,

y = 0.8 x

a) for x = 1,

y = 0.8

therefore, the cost of one pound of cabbage is 0.8 dollars.

b) in the below graph (10,8) represents that the cost of 10 pounds of cabbage is 8 dollars.