1.60n<56
it should be greater than or equal to because if n is the amount of notebooks she can buy than n times 1.60 needs to be less or equal to $56
It's b. -1,-2,-4,-8,-16,-32
because
1/3 is the only terminating decimal. It results in 0.33333333 to infinity.
Okay so you have to do
138 times .40-move the decimal over 2 times
that is 55.2 so 40 percent of 138 is 55.2 so add that on to 138 to get 192 students at the school. There you go :)