Answer:
Second one
Step-by-step explanation:
if 2x - y = 4
then 2x + 4 would have to = y
The equation where 2x + 4 = y is the second
y = 2x + 4
14) 51. You divide 100 by 60 and multiply the answer by 85%.
15) about 200 students loved music. You would round the 398 to 400 and the 52% to 50%, which is half.
16) They would cost the same because adding all of the discount together for the first computer would equal 30% which is the same amount as the second computer.
Hope this helped you!
Answer:
shortest : 9
longer : 9 + 5 = 14
third : 3 x 9 = 27
Step-by-step explanation:
let a be the shortest side
shortest side : a
longer side : a + 5
third side: 3a
a + a + 5 +3a = 50
5a + 5 = 50
5a = 45
a = 9
