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شائع Word Problems >

A number decreased by 15 is equal to the number times −5.

الحلّ

A n u mb er d ecre a se d b y 15 i s e q u a l t o t h e n u mb er t im es - 5.

الحلّ

The number : 2 \frac{1}{2}

خطوات الحلّ

Represent the number with

x

A.T.Q.:

x - 15 = x (- 5)

x - 15 = x (- 5), x

حلّ لـ:

x = \frac{5}{2}

حوّل من كسر تخيّليّ لعدد مختلط:

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

The number : 2 \frac{1}{2}

أمثلة شائعة

one less than three times a number If 7 4/5 of the total came to 109,200 , what was the total?Pat is 20 years older than his son Patrick. In 2 years Pat will be twice as old as Patrick a number less ten is twenty-two Jeffrey opened a savings account and deposited 600.00. The account earns 1% interest, compounded annually. 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?