How many oz of peanuts must Shayna add to 8 oz. of mixed nuts containing 70% peanuts to make a mixture with 80% peanuts? Please Show your work Step-by-step, Thanks, and no links because they always pop up as inappropriate sites. If you give me a link I will not mark you brainless, and like/vote your answer. THANKS!
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Step-by-step explanation:

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.

the answer is that it is true