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Popolare Word Problems >

Three more than 4 times a number is less than or equal to 31

Soluzione

T h ree m ore t han 4 t im es a n u mb er i s l ess t han or e q u a l t o 31

Soluzione

x \leq 7

Fasi della soluzione

Represent the number with

x

A.T.Q.:

3 + 4 x \leq 31

Risolvi per

x, 3 + 4 x \leq 31 : x \leq 7

x \leq 7

Esempi popolari

When 2 less than 3 lots of a number is doubled the result is 5 .two thirds of a number is no more than-10 The underworld city of Nexus has a current population of 500,000 people. The city’s population is growing exponentially with a growth rate of 3% per year. The city’s infrastructure can support a massimo population of 1 million people. At what time does the city need to upgrade its infrastructure to accommodate the growing population? Model the equation of it first and then its derivative The product of a number and −25 is equal to the number increased by 28.Emma is going to invest in an account paying an interest rate of 5.5% compounded annually. How much would Emma need to invest, to the nearest hundred dollars, for the value of the account to reach 480 in 8 years?