A student has scores of 64, 62, and 72 on his first three tests. He needs an average of at least 70 to earn a grade of C in the class. What is the minimum score that the student needs on the fourth
test to ensure a C?
The student needs a minimum score of
least a C.
on the fourth test to ensure a grade of at least a C.

73 or more

Step-by-step explanation:

82

62 +64+72+82=280

280 divided four(#of scores given) = 70

so 82 is the forth score if the student wants a 70 in the class

15 batches are the most you can make

step-by-step explanation:

$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