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Popolare Word Problems >

Twice the differenza of a number and 3 is at most-30

Soluzione

Tw i ce t h e d i ff ere n ce o f a n u mb er an d 3 i s a t m os t - 30

Soluzione

x \leq - 12

Fasi della soluzione

Represent the number with

x

A.T.Q.:

2 (x - 3) \leq - 30

Risolvi per

x, 2 (x - 3) \leq - 30 : x \leq - 12

x \leq - 12

Esempi popolari

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 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 If no money is added or withdrawn from the account, how much will be in the account after 18 years?8 more than 4 times a number Suppose Tabitha finds an annuity that pays 7.0% annual interest,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?