Question

Jika a:2/3 dan b:3/4,maka nilai dari 2a+4b/5a-2b adalah...
a.2 4/5
b.2 3/5
c.2 4/11
d.3 2/11

Answer 1

2a + 4b / 5a - 2b
= 2(⅔)+4(¾) / 5(⅔) - 2(¾)
= 4/3 + 3 / 10/3 - 3/2
= 4/3 + 9/3 / 20/6 - 9/6
= 13/3 per 11/6
= 13/3 × 6/11
= 78/33
= 2 12/33
= 2 4/11 (c)