5 bags is cheaper because one bag is $3 and 5 bags for ten so to find the unit price the amount (10/ ) the amount of bags (5) so therefore 10/5= $2 which is smaller than the price of an individual bag
Yes it is correct because you would multiply 30 by 7 which equals 210 + the extra 20 dollars / 50 dollars (idk).. she will have more than enough though
834 ➗ 2 =417. I hope I helped :)

It is true only whenever x tends to 0(zero)
it is not importent that x be in radian or in degree.
Divide 200k by 5k, assuming that the budget is equal to the tax rate, then 2.5%