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Math Question HELP!!!!!!!! ?
68/12=4/r
i do not know how you solve these problems can you guys please help me figure it out? If you do get a answer please tell me how you did it cuz im so confused!
7 Answers
- Anonymous1 decade agoFavorite Answer
Cross-multiply and then divide both sides by 68.
68(r)=12(4)
68r/68=48/68
r=12/17
- 1 decade ago
68/12=4/r
68/12(r)=4 ; time r on both side
r=4(68/12) ; divide 68/12 to get r itself
r=48/68
or reduced r=12/17
- 1 decade ago
Cross multiply
68 * r = 12 * 4
68r = 48
r = 48/68
r = 12/17
Source(s): alg teacher - How do you think about the answers? You can sign in to vote the answer.
- Anonymous1 decade ago
a first step would be to simplify 68/12 which is "5 and 2/3" or "17/3"
Then, multiply both sides by r
17/3r = 4
Multiply both sides by 3/17
r=12/17
Hope i helped!
- 1 decade ago
you would cross multiply.
48 = 68r
then you would divide each side by 68
48/68 = r
then simplify
12/17 = r
- 1 decade ago
Cross multiply you get:
68r=12*4
68r=36
You should get about~2
Source(s): Mental Math
