Ab and c are points on a line with b between a and c. let m and n be the midpoints of ab and bc respectively
if ab: bc =3: 1 what is mn : bc?

30005

yes ok                                            

answer: 94

step-by-step explanation: 79+91+92+94+94 = 450 divided by 5 (since there are 5 number that are being added) = 90

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step-by-step explanation:

for this case we must apply distributive property to the following expression:

the distributive property states that:

then, when applying the property we have to multiply the -2 for each term within the parenthesis: