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شائع Word Problems >

maya is x years old, and her sister is 2x years old no. after five years time maya will be 2/3 times the age of her sister. calculate the present age of maya.

الحلّ

ma y a i s x ye a rs o l d, an d h er s i s t er i s 2 x ye a rs o l d n o . a f t er f i v e ye a rs t im e ma y a w i ll b e 2/3 t im es t h e a g e o f h er s i s t er . c a l c u l a t e t h e p rese n t a g e o f ma y a .

الحلّ

Maya^{'} s age is : \frac{2}{3} \dots (2 + 5) - 5

خطوات الحلّ

Translate the problem into an equation:

x + 5 = \frac{2}{3} \dots (2 + 5)

x + 5 = \frac{2}{3} \dots (2 + 5), x

حلّ لـ:

x = \frac{2}{3} \dots (2 + 5) - 5

Maya^{'} s age is : \frac{2}{3} \dots (2 + 5) - 5

أمثلة شائعة

Six times a number is equal to the number increased by 30 . Find the number.Alang is going to invest in an account paying an interest rate of 5.7% compounded continuously. How much would Alang need to invest, to the nearest dollar, for the value of the account to reach 113,000 in 5 years?Oliver invested 53,000 in an account paying an interest rate of 2.7% compounded daily. Assuming no deposits or withdrawals are made, how much money, to the nearest cent, would be in the account after 20 years?Addison is going to invest in an account paying an interest rate of 6% compounded continuously. How much would Addison need to invest, to the nearest ten dollars, for the value of the account to reach 94,000 in 5 years?Edwin's father is twice as old as Edwin. Five years ago, the sum of their ages was 59 years old. Calculate Edwin's age.