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פּוֹפּוּלָרִי Word Problems >

One number is thrice more than four times another. If the sum of the numbers is 18, what are the numbers?

פתרון

O n e n u mb er i s t h r i ce m ore t han f o u r t im es an o t h er . I f t h e s u m o f t h e n u mb ers i s 18, w ha t a re t h e n u mb ers ?

פתרון

The numbers : 16 \frac{8}{13}, 1 \frac{5}{13}

צעדי פתרון

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x = 3 \cdot 4 y

x + y = 18

x = 3 \cdot 4 y, x + y = 18 : x = \frac{216}{13}, y = \frac{18}{13}

הסב שבר מדומה למספר מעורב:

\frac{216}{13} = 16 \frac{8}{13}

הסב שבר מדומה למספר מעורב:

\frac{18}{13} = 1 \frac{5}{13}

The numbers : 16 \frac{8}{13}, 1 \frac{5}{13}

דוגמאות פופולריות

one fourth of a number decreased by 10 is-50. find the number 7 times a number is equal to 12 less than 3 times the number. Find the number.One number is five times the other. Their sum is 48. What are the numbers?four times a number, increased by 36, is the same as 32 decreased by twice the number. Find the number Three-fourth of a number is more than one-fourth of a number by 2. Find the number.