Oldest = 2x
Middle = x + 5
Youngest = x

2x + x + 5 + x = 57
combine like terms

4x + 5 = 57
subtract 5 from both sides

4x = 52
divide both sides by 4 to isolate x

x = 13

Oldest = 2x = 2(13) = 26
Middle = x + 5 = 13 + 5 = 18
Youngest = x = 13

8 0

2 years ago

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When a teacher divided her students into groups of four, she had three students remaining. when she divided them into groups of

AfilCa [17]

39 students....39/4 = 9 remainder 3
39/5 = 7 remainder 4

ur answer is 39

5 0

2 years ago

Order these numbers from least to greatest. <img src="https://tex.z-dn.net/?f=6%20%5Cfrac%7B1%7D%7B11%7D%20" id="TexFormula1" ti

andrezito [222]

We shall first of all, convert all the numbers to the same base. This means we either;

Convert the fractions to decimals OR

Convert the decimals to fractions

Let us therefore convert the decimals to fractions.

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5 0

8 months ago

Would the mean or median best describe the following data?

abruzzese [7]

36 is the median and add them all then divide by 5 to get the mean

8 0

3 years ago

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