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Populaire Word Problems >

boy is 6 years older than sister. in three years boy will be twice her age

Solution

b oy i s 6 ye a rs o l d er t han s i s t er . in t h ree ye a rs b oy w i ll b e tw i ce h er a g e

Solution

Boy^{'} s age is : 9

Sister^{'} s age is : 3

étapes des solutions

Translate the problem into an equation:

x + 3 = 2 (x - 6 + 3)

Solutionner pour

x, x + 3 = 2 (x - 6 + 3) : x = 9

Trouver age

Boy^{'} s age is : 9

Sister^{'} s age is : 3

Exemples populaires

The circonférence of a circle is 9pi cm. What is the area Suppose you draw one card from a standard 52-card deck. What is the probability that it is red or a club?8 less than a number.0.5 is 125% of what number?Sophie opened a savings account and deposited 3,000.00 as principal. The account earns 4% interest, compounded quarterly. How much interest will she earn after 8 years?