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人気のある Word Problems >

the product of a number and 7 that is decreased by 8 is at least 12

解

t h e p ro d u c t o f a n u mb er an d 7 t ha t i s d ecre a se d b y 8 i s a t l e a s t 12

解

x \geq \frac{20}{7}

解答ステップ

Represent the number with

x

A.T.Q.:

x \cdot 7 - 8 \geq 12

x

を解く

x \cdot 7 - 8 \geq 12 : x \geq \frac{20}{7}

x \geq \frac{20}{7}

人気の例

If the excess of a number over 12 is 8, calculate the number Find two consecutive whole numbers that sqrt(45) lies between.the sum of two numbers is 95. If twice the smaller number is subtracted from the larger number, the result is 8. Find the two numbers.7 decreased by twice a number is 11 Eight more than the product of a number and 9 equals 4