A students cost for last semester at her community college was 2100 she spent 231 of that on books what percent of last semesters college costs was spent on books

Work Shown:

Divide the two amounts, smaller over bigger, to get

231/2100 = 0.11

Then move the decimal point over two spots to the right to get to 11%

Note how 11% of 2100 = 0.11*2100 = 231.

i dont know sorry

step-by-step explanation:

step-by-step explanation:

let's assume

number of candles set =x

price of of x candles =p(x)

we are given

a candle maker prices one set of scented candles at $10 and sells an average of 200 sets each week

so, we get point as (200,10)

he finds that when he reduces the price by $1, he then sells 50 more candle sets each week

so, we can find slope

now, we can use point slope form of line

now, we can plug values

we can use point

and find b

now, we can plug it back

and we get

now, we can find revenue

we know that

revenue = price*quantity

so, we get