+0  
 
0
599
1
avatar+1215 

I'm actually really sick right now which is why I've been asking for help because I need to get a lot of math work completed because I have a TON of assignments that need to be done and I haven't really learned the material yet. >.<

RainbowPanda  Mar 19, 2018
 #1
avatar+87571 
+2

16).....I think this is correct...

 

16/20  = ? / 45

4/ 5   =  ? /45       cross-multiply

45*4  = 5*?

180 = 5*?    divide by 5

36  =  ?

 

17)  

 

?/10  = 20/25

?/10 =  4/5      cross-multiply

5?  =  4 * 10

5? = 40     divide both sides by 5

?  =  8 

 

 

18)

 

?/4  =  6/3

?/4  = 2      multiply both sides by 2

?  = 8

 

 

19)

 

12/9  = ? / (33-9)

4/3  = ? / 24     cross-multiply

24*4  = 3* ?     

96  = 3 * ?      divide both sides by 3

32  = ? 

 

 

cool cool cool

CPhill  Mar 19, 2018

18 Online Users

avatar
avatar

New Privacy Policy

We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive information about your use of our website.
For more information: our cookie policy and privacy policy.