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Phổ biến Word Problems >

an integer is 3 less than 5 times another. if the product of the two integers is 36 then find the integers

Lời Giải

an in t e g er i s 3 l ess t han 5 t im es an o t h er . i f t h e p ro d u c t o f t h e tw o in t e g ers i s 36 t h e n f in d t h e in t e g ers

Lời Giải

The numbers : 12, 3 or - 15, - 2 \frac{2}{5}

Các bước giải pháp

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x = 5 y - 3

x y = 36

x = 5 y - 3, x y = 36 : (x = 12, y = 3 x = - 15, y = - \frac{12}{5})

Chuyển phân số không thực sự thành hỗn số:

\frac{12}{5} = 2 \frac{2}{5}

The numbers : 12, 3 or - 15, - 2 \frac{2}{5}

Ví dụ phổ biến

The hiệu between two numbers is 9 and the product of the numbers is 162. Find the 2 numbers If 3500 is invested at an interest rate of 8.25% per year, compounded continuously, find the value of the investment after 2 years Jenny opened a savings account and deposited 1,016.00 as principal. The account earns 8.61% interest, compounded quarterly. What is the balance after 10 years?Andy has 1,000 in an account. The interest rate is 15% compounded annually.To the nearest cent, how much will he have in 2 years?The sum of 20 and twice a number is-18