LETTER A ( 2:5 )
Step-by-step explanation:
Given that: m:n = 4:3
Find: 3m - 2n : 3m + n
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From the given , we get that: m = 4 and n = 3
Thus , We will substitute the value of each variable to the unknown proportion:
= 3m - 2n : 3m + n
= 3(4) - 2(3) : 3(4) + 3
= 12 - 6 : 12 + 3
= 6 : 15
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The lowest term of 6:15 is 2:5. Therefore , the correct answer is Letter A
