You can solve this problem by applying the proccedure below:
You have:
a) 18/21=2/3
18x3/21x2
36≠42 (2/3 is not proportinal to 18/21).
b)18/21=30/35
18x35/21x30
630=630 (30/35 is proportional to 18/21)
c)18/21=36/48
18x48/21x36
864≠756 (36/48<span> is</span><span> not proportinal to 18/21)
</span>
d)18/21=1/3
18x3/21x1
54≠21 (<span> 1/3 is</span><span> not proportinal to 18/21)
</span>
Therefore, you can conclude that the correct option is: B.30/35
Answer
The answer and procedures of the exercise are attached in the following archives.
Step-by-step explanation:
You will find the procedures, formulas or necessary explanations in the archive attached below. If you have any question ask and I will aclare your doubts kindly.
Answer:
67
Step-by-step explanation:
do the math. or just use a calculator because there is no sign between the -15 and the -4 so you multiply. it turns positive the add the 7. easy peezy
Answer:
2x+28≤23
Step-by-step explanation:
The sum of a number times 2 and 28 is
2x+28
is at most 23
≤23
So it is 2x+28≤23
Hope this helps!
Answer:
thanks!
Step-by-step explanation: