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The sum of 4 consecutive odd numbers is 40 .

الحلّ

The sum of 4 consecutive odd numbers is 40 .

الحلّ

The numbers : 7, 9, 11, 13

خطوات الحلّ

Represent the numbers with

x

:

First number : x

Consecutive number 1 : x + 2

Consecutive number 2 : x + 4

Consecutive number 3 : x + 6

A.T.Q.:

x + x + 2 + x + 4 + x + 6 = 40

x + x + 2 + x + 4 + x + 6 = 40

حلّ:

x = 7

x + 2 = 7 + 2 = 9

x + 4 = 7 + 4 = 11

x + 6 = 7 + 6 = 13

The numbers : 7, 9, 11, 13

أمثلة شائعة

Isaiah is going to invest in an account paying an interest rate of 4.9% compounded monthly. How much would Isaiah need to invest, to the nearest ten dollars, for the value of the account to reach 1,150 in 14 years?the product of 8 and a number Abigail invested 29,000 in an account paying an interest rate of 2.1% compounded continuously. Assuming no deposits or withdrawals are made, how much money, to the nearest dollar, would be in the account after 8 years?The quotient of four less than a number and seven is ten.If one is added to eight times a number, the result is nineteen less than the square of the number. Find all such numbers.