He bought 24 flowers that were a combination of roses and tulips. roses cost $3.00 each and tulips cost $1.25 each. he spent $58.00. how many of each flower did he buy?

Since tulips cost $1.25 each, and he spent a total of $58 (integer), the number of tulips bought must be a multiple of 4, i.e. 4 for $5 (instead of 4 roses for $12, a difference of $7).

If he bought ALL roses, it would have cost him 24*3=$72.

He spent $72-58=$14 less, so change 8 roses for 8 tulips for $14 less, i.e.

16 roses, and 8 tulips, check: 16*3+8/4*5=48+10=$58.

$4034.40

the perimeter of the field is the sum of the lengths of the four sides:

47 yd + 158 yd + 47 yd + 158 yd = 410 yd

the cost of 3 ft (1 yd) of fence is 3×$3.28 = $9.84.

so the cost of jake's wood perimeter fance is

(410 yd) × ($9.84 /yd) = $4034.40