Question
If (a + b)/c = 6/5 and (b + c)/a = 9/2, then what is the
value of (a + c)/b?Solution
(a + b) / c = 6/5 5a + 5b = 6c (b + c) / a = 9/2 2b+2c=9a 9a-2b=2c 27a-6b=6c 5a+5b=6c 27a-6b=5a+5b 22a=11b b=2a 4a+2c=9a 2c=5a c=(5/2)a (a + c) / b =((a+(5/2)a))/2a =7a/4a =7/4
More Equations Questions
`11(2/13)` + `5(2/11)` - `3(4/9)` = ?
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
? + 539.76 ÷ 5.4 × 94.80 = 9829.54
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
672.35 ÷ 24.03 × 12.99 – 1288.28 ÷ 13.94 = ?
(1680.23 ÷ 27.98) + (600.32 ÷ 23.9) + 1384.11 = ?
7.898 × ? + 139.89` ` `-:` 14.23 = 4004.04 – 353.89
` `
What is the area (in cm²) of a square inscribed in a circle with a radius of 10√2 cm?
What approximate value will replace the question mark (?) in the following?
29.99...
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