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شائع Word Problems >

determines a natural number such that the sum of its third part and its double is 10 is equal to triple the number itself

الحلّ

d e t er min es a na t u r a l n u mb er s u c h t ha t t h e s u m o f i t s t hi r d p a r t an d i t s d o u b l e i s 10 i s e q u a l t o t r i pl e t h e n u mb er i t se l f

الحلّ

The number : 7 \frac{1}{2}

خطوات الحلّ

Represent the number with

x

A.T.Q.:

x \frac{1}{3} + 2 \cdot 10 = 3 x

x \frac{1}{3} + 2 \cdot 10 = 3 x, x

حلّ لـ:

x = \frac{15}{2}

حوّل من كسر تخيّليّ لعدد مختلط:

\frac{15}{2} = 7 \frac{1}{2}

The number : 7 \frac{1}{2}

أمثلة شائعة

Supposed you invest 2000 at the annual interest rate of 5.6% compounded continuously. How much will you have in the account after 2.5 years?101 with a 40% discount. what is the sale price?one third a number Find two positive consecutive odd integers such that the square of the larger integer is one less, than twice the square of the small integer.four more than double number is greater than ten