Answer:
d=4.5
Step-by-step explanation:
Answer:
u = 1/6
Step-by-step explanation:
<u>1</u> (12u - 2 )= 0
3
3×<u>1</u> (12u-2) =0×3
3
12u -2 =0
<u>12u</u> = <u>2</u>
12 12
u = <u>1</u>
6
Answer:

Step-by-step explanation:
Given:

Solving for
:

Answer: 4:5
Step-by-step explanation: First find a number 12 and 15 can both be divided by. I found 3, and did the following:
12/3=4
15/3=5
The ratio of boys to girls in Luka's math class is 4:5
A) sale price = x -0.30*x
.. sale price = 0.70*x
b) x = (sale price)/0.70 . . . . . . . divide by the coefficient of x to find x.
Jerome's book was originally priced at
.. $8.96/0.70 = $12.80