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Popolare 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

Soluzione

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

Soluzione

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

Fasi della soluzione

Represent the number with

x

A.T.Q.:

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

Risolvi per

x, x \frac{1}{3} + 2 \cdot 10 = 3 x : x = \frac{15}{2}

Convertire frazioni improprie in numeri misti:

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

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

Esempi popolari

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