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פּוֹפּוּלָרִי Word Problems >

The sum of two numbers is thirty. The product of two and the smaller number is five times the larger number. What is the number

פתרון

T h e s u m o f tw o n u mb ers i s t hi r t y . T h e p ro d u c t o f tw o an d t h e s ma ll er n u mb er i s f i v e t im es t h e l a r g er n u mb er . Wha t i s t h e n u mb er

פתרון

The number : 8 \frac{4}{7}

צעדי פתרון

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x + y = 30

2 x = 5 y

x + y = 30, 2 x = 5 y : x = \frac{150}{7}, y = \frac{60}{7}

הסב שבר מדומה למספר מעורב:

\frac{60}{7} = 8 \frac{4}{7}

The number : 8 \frac{4}{7}

דוגמאות פופולריות

Two consecutive odd integers add up to be 368 . Find these two integers.Two more than a certain number is 15 less than the product of 7/8 and the number.Two more than the quotient of a number and 4 equals 7 raindrop falls at a rate of 4/50 mile in 1/20 hour. At this rate, how far will the raindrop travel in 1 hour?The sum of two numbers is 29 and their difference is 5 . Find the numbers.