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פּוֹפּוּלָרִי Word Problems >

The difference between two numbers is 2. The smaller number is 4 more than 7 times the larger number. Find the numbers.

פתרון

T h e d i ff ere n ce b e tw ee n tw o n u mb ers i s 2. T h e s ma ll er n u mb er i s 4 m ore t han 7 t im es t h e l a r g er n u mb er . F in d t h e n u mb ers .

פתרון

The numbers : 1 \frac{2}{3}, - \frac{1}{3}

צעדי פתרון

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x - y = 2

x = 4 + 7 y

x - y = 2, x = 4 + 7 y : x = \frac{5}{3}, y = - \frac{1}{3}

הסב שבר מדומה למספר מעורב:

\frac{5}{3} = 1 \frac{2}{3}

The numbers : 1 \frac{2}{3}, - \frac{1}{3}

דוגמאות פופולריות

two times a number, increased by 22 Four times a number minus twice another number is-16. The sum of the two numbers is-1. Find the numbers.Wyatt opened a savings account and deposited 500.00. The account earns 6% interest, compounded monthly. If he wants to use the money to buy a new bicycle in 2 years, how much will he be able to spend on the bike?Find the time required for an investment of 5000 dollars to grow to 7700 dollars at an interest rate of 7.5:percent per year, compounded quarterly.:Your answer is t= :years.10% of what number is 91