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RE: Be the First to Solve this Math Test and Win an 100% upvote worth $0.4 Instantly #15

in #maths • 6 years ago

9
equation1
7W * 6D = 210 P
Equation 2.
xW *10D =450P
solving both simultaneously for value of " x " will give 9.

6 years ago in #maths by
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