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شائع Word Problems >

Emma thinks of a whole number.Rounded to the nearest 10, her number is 850.Rounded to 1 significant figure, her number is 800.a

الحلّ

E mma t hink s o f a w h o l e n u mb er . R o u n d e d t o t h e n e a res t 10, h er n u mb er i s 850. R o u n d e d t o 1 s i g ni f i c an t f i gu re, h er n u mb er i s 800. a

الحلّ

لا يوجد حلّ

خطوات الحلّ

Represent the number with

x

A.T.Q.:

10 x = 850

1 \cdot x = 800

10 x = 850, 1 \cdot x = 800 :

لا يوجد حلّ

لا يوجد حلّ

أمثلة شائعة

Suppose you deposit 1, 000 in a savings account that pays interest at an annual rate of 5%. If no money is added or withdrawn from the account, how much will be in the account after 18 years?8 more than 4 times a number Suppose Tabitha finds an annuity that pays 7.0% annual interest, compounded semiannually. She decides to invest 650 semiannually in this annuity for 5 years. How much interest does she earn during the 5 years?28 less than five times a certain number is 237. What is the number?Express the following in algebraic expression: the sum of a number x and 25.