2 Answered Questions for the topic Math, Algebra, Equation, Problem, Word Problem

Math, Algebra, Equation, Problem, Word Problem Calculus 1

03/23/18

At the beginning of an experiment, a scientist has 172 grams of radioactive goo. After 270 minutes, her sample has decayed to 5.375 grams.

What is the half-life of the goo in minutes? Find a formula for G(t), the amount of goo remaining at time t. G(t)=  How many grams of goo will remain after 74 minutes?
Math, Algebra, Equation, Problem, Word Problem

03/22/18

One custodian cleans a suite of offices in 5 hours. When a second worker is asked to join the regular​ custodian, the job takes only 3

One custodian cleans a suite of offices in 5 hours. When a second worker is asked to join the regular custodian, the job takes only 3 and one third hours. How long does it take the second worker... more

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