3 lbs of chicken costs 15 dollars, how much would 7 lbs of chicken cost

35

Step-by-step explanation:

If you multiply 5X7 it gives you 35 if 3lbs cost 15 that means every lb cost 5 , or you can add 5 +5 till you get 35

Step-by-step explanation:

side note i love ur pfp

ok so basically u want to plug in ur value of x into the expression right away and combine everything in the parentheses so it's one fraction which is -

((1 -√2-1)/(1 -√2))⁴ = (-√2/(1 -√2))⁴ and then u get 4/(1 -√2)⁴ as ur final answer