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Beliebt >

Lauren's age is half of Joe's age. Emma is four years older than Joe. The sum of Lauren, Emma, and Joe's age is 50. How old is Joe?

Lösung

Lauren's age is half of Joe's age. Emma is four years older than Joe. The sum of Lauren, Emma, and Joe's age is 50. How old is Joe?

Lösung

Joe^{'} s age is : 18 \frac{2}{5}

Schritte zur Lösung

Translate the problem into an equation:

\frac{1}{2} x + x + 4 + x = 50

Löse nach

x, \frac{1}{2} x + x + 4 + x = 50 : x = \frac{92}{5}

Wandle unechte Brüche in gemischte Zahlen um:

18 \frac{2}{5}

Joe^{'} s age is : 18 \frac{2}{5}

Beliebte Beispiele

The radius of a circle is 8 ft. Find its kreisumfang in terms of pipi twice the differenz of a number and 3 is equal to 2 four times the differenz of 11 and a number gives 60 Suppose that 18,000 is deposited for eight years at 3% APR. Calculate the interest earned if interest is compounded weekly. Round your answer to the nearest cent.The radius of a circle is 12 m. Find its kreisumfang in terms of pipi.