Answer:
Step-by-step explanation:
x + 7 < 4
x < 4 - 7
x < -3
Hey friend in order to figure that out, we need to solve all of these proportions.
Lets start with A!
What you first want to do is cross multiply so...
10 * 100 = 25 * 40
Simplify
1000 = 25 * 40
1000 = 1000
Add -1000 to both sides
1000 - 1000 = 1000 - 1000
0 = 0. (This proportion is true)
Moving on to B
Same steps!
18 * 50 = 48 * 20
900 = 48 * 20
900 = 960 (This is false therefore B is our answer however we want to check the others as well)
C is...
25 * 135 = 45 * 75
3375 = 45 * 75
3375 = 3375
3375 - 3375 = 3375 - 3375
0 = 0 (True)
D is....
24 * 25 = 30 * 20
600 = 30 * 20
600 = 600
600 - 600 = 600 - 600
0 = 0 (True)
We can write one fifth as
7 times of w , we can write as = 7w
Now we have to subtract one fifth from seven times of w.
So we can write it in algebraic expression as
1. 10 5/18 - 8 5/6
<span>C. 1 4/9
2.
1 2/5 ÷ 2 1/3
C. 3/5
</span>
X over six and 8 over 10. this is the important part. 6/x and 8/10. multiply x by 8 and 6 by 10. then divide 60/8 and your answer will be 7.5 :)