You'd simply have to find 20% of $40. To find the percent of a number, you would change the percent into an actual decimal/number, and then multiply them both. So the percent would become 0.20.
40 × 0.20 = 8
So now you would subtract 8 from the cost of 40.
40 - 8 = 32.
The shirt costs $32.
Above the graph
look at them
7x-y <span><</span>3
x-y<span><</span>4
2x-9y>2
4x+7y>3
dashed boundary line means it does't include htat means taat the symbol is < or >
cross out first 2
one way is to graph the lines as equations and shade accordingly
2x-9y>2
y<2/9x+2/9
shade on bottom
4x+7y>3
y>-7/4x+3/9
shade on top
aswer is 4x+7y>3
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185 = 447 digits in total
So,
Mark wants $100 for 10 hrs., or $10/hr.
Rick wants $80 for 9 hrs., or

$8.89/hr.
Steve wants $75 for 8 hrs., or $

/hr. or $9.38/hr.
Finally, Andy wants $60 for 5 hrs., or $12/hr.
We can see that <u>Rick</u> offers the best deal, at $8.89/hr.