3 years ago

Solve the equation 2r-3 3 ———— = — 4 5

2 answers:

3 0

Answer
10r -15 = 12
10r = 27
r = 27/10
r = 2.7

3 0

Answer: r = 27/10

Explanation

(2r - 3)/4 = 3/5

Use cross multiplication:

5(2r - 3) = 3 x 4
10r - 15 = 12
10r = 12 + 15
10r = 27
r = 27/10

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