The answer is(4 -3.5x-15)hope this can help
Answer:
$216
Step-by-step explanation:
6% of 1200 = 72
72x3=216
Answer:
(a) 7/15
(b) 1/3
Step-by-step explanation:
(a) teaching:
(3 1/2) / (7 1/2) = (7/2) / (15/2) = 7/2 * 2/15 = 7/15
(b) marking:
(2 1/2) / (7 1/2) = (5/2) / (15/2) = 5/2 * 2/15 = 5/15 = 1/3
108/4 = 27 so $27 is what each roommate needs to pay for the electric bill
Answer: x = - 7
Step-by-step explanation: