Louisa has a goal of collecting 100 pounds of dog food for a local shelter. She records how many pounds of food she collects each week. Week
Pounds Collected
1
20.5
2
18 and three-fourths
3
32.75

How many more pounds of dog food does Louisa need to reach her goal?

easy math just plug in a and b

step-by-step explanation:

30

step-by-step explanation:

times by times

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answer: - (a)

(b) 88 seats

step-by-step explanation:

given: in an auditorium, there are 22 seats in the first row and 28 seats in the second row.

thus first term=

second term=

the number of seats in a row continues to increase by 6 with each additional row.

⇒d= 6

a) given formula :

b)   let the number of seats (n) = 12

substitute n=12 in the explicit rule formed in (a)

∴there are 88 seats in 12 rows.