Answer:
$153.75
Step-by-step explanation:
$71.75 / 7=$10.25
$10.25 x 15 =$153.75
Answer:
you multiple when x is by the number
Answer:
30
Step-by-step explanation:
Substitute j = 1, 2, 3, 4, 5 into 2j and sum the terms, that is
2(1) + 2(2) + 2(3) + 2(4) + 2(5)
= 2 + 4 + 6 + 8 + 10
= 30
Using the formula D = r * t 230 = r * 3.5 we can divide 230 by 3.5 and get
65.7142857143
Which we can simplify to about 66 miles per hour